feat: precompile

.gitignore

@@ -45,3 +45,7 @@ build/linux
 go.work
 go.work.sum
 .build/0gchaind
+.build/da
+
+# runtime
+run

app/app.go

@@ -111,6 +111,8 @@ import (
 	"github.com/0glabs/0g-chain/app/ante"
 	chainparams "github.com/0glabs/0g-chain/app/params"
 	"github.com/0glabs/0g-chain/chaincfg"
+	dasignersprecompile "github.com/0glabs/0g-chain/precompiles/dasigners"
+
 	"github.com/0glabs/0g-chain/x/bep3"
 	bep3keeper "github.com/0glabs/0g-chain/x/bep3/keeper"
 	bep3types "github.com/0glabs/0g-chain/x/bep3/types"
@@ -124,6 +126,9 @@ import (
 	das "github.com/0glabs/0g-chain/x/das/v1"
 	daskeeper "github.com/0glabs/0g-chain/x/das/v1/keeper"
 	dastypes "github.com/0glabs/0g-chain/x/das/v1/types"
+	dasigners "github.com/0glabs/0g-chain/x/dasigners/v1"
+	dasignerskeeper "github.com/0glabs/0g-chain/x/dasigners/v1/keeper"
+	dasignerstypes "github.com/0glabs/0g-chain/x/dasigners/v1/types"
 	evmutil "github.com/0glabs/0g-chain/x/evmutil"
 	evmutilkeeper "github.com/0glabs/0g-chain/x/evmutil/keeper"
 	evmutiltypes "github.com/0glabs/0g-chain/x/evmutil/types"
@@ -139,6 +144,8 @@ import (
 	validatorvesting "github.com/0glabs/0g-chain/x/validator-vesting"
 	validatorvestingrest "github.com/0glabs/0g-chain/x/validator-vesting/client/rest"
 	validatorvestingtypes "github.com/0glabs/0g-chain/x/validator-vesting/types"
+	"github.com/ethereum/go-ethereum/common"
+	"github.com/ethereum/go-ethereum/core/vm"
 )
 
 var (
@@ -183,6 +190,7 @@ var (
 		precisebank.AppModuleBasic{},
 		council.AppModuleBasic{},
 		das.AppModuleBasic{},
+		dasigners.AppModuleBasic{},
 	)
 
 	// module account permissions
@@ -495,7 +503,17 @@ func NewApp(
 		vm.NewEVM,
 		options.EVMTrace,
 		evmSubspace,
+		precompiles,
 	)
+	// dasigners keeper
+	app.dasignersKeeper = dasignerskeeper.NewKeeper(keys[dasignerstypes.StoreKey], appCodec, app.stakingKeeper)
+	// precopmiles
+	precompiles := make(map[common.Address]vm.PrecompiledContract)
+	daSignersPrecompile, err := dasignersprecompile.NewDASignersPrecompile(app.dasignersKeeper)
+	if err != nil {
+		panic("initialize precompile failed")
+	}
+	precompiles[daSignersPrecompile.Address()] = daSignersPrecompile
 
 	app.evmutilKeeper.SetEvmKeeper(app.evmKeeper)
 

app/app_test.go

@@ -24,6 +24,9 @@ import (
 	evmtypes "github.com/evmos/ethermint/x/evm/types"
 	"github.com/stretchr/testify/assert"
 	"github.com/stretchr/testify/require"
+	abci "github.com/tendermint/tendermint/abci/types"
+	"github.com/tendermint/tendermint/libs/log"
+	db "github.com/tendermint/tm-db"
 )
 
 func TestNewApp(t *testing.T) {

crypto/bn254util/bn254util.go

@@ -0,0 +1,166 @@
+package bn254util
+
+import (
+	"math/big"
+
+	"github.com/consensys/gnark-crypto/ecc/bn254"
+	"github.com/consensys/gnark-crypto/ecc/bn254/fp"
+	"github.com/consensys/gnark-crypto/ecc/bn254/fr"
+	"github.com/ethereum/go-ethereum/crypto"
+)
+
+const (
+	G1PointSize = 32 * 2
+	G2PointSize = 32 * 2 * 2
+)
+
+var (
+	FR_MODULUS, _ = new(big.Int).SetString("21888242871839275222246405745257275088548364400416034343698204186575808495617", 10)
+)
+
+func VerifySig(sig *bn254.G1Affine, pubkey *bn254.G2Affine, msgBytes [32]byte) (bool, error) {
+
+	g2Gen := GetG2Generator()
+
+	msgPoint := MapToCurve(msgBytes)
+
+	var negSig bn254.G1Affine
+	negSig.Neg((*bn254.G1Affine)(sig))
+
+	P := [2]bn254.G1Affine{*msgPoint, negSig}
+	Q := [2]bn254.G2Affine{*pubkey, *g2Gen}
+
+	ok, err := bn254.PairingCheck(P[:], Q[:])
+	if err != nil {
+		return false, nil
+	}
+	return ok, nil
+
+}
+
+func MapToCurve(digest [32]byte) *bn254.G1Affine {
+
+	one := new(big.Int).SetUint64(1)
+	three := new(big.Int).SetUint64(3)
+	x := new(big.Int)
+	x.SetBytes(digest[:])
+	for {
+		// y = x^3 + 3
+		xP3 := new(big.Int).Exp(x, big.NewInt(3), fp.Modulus())
+		y := new(big.Int).Add(xP3, three)
+		y.Mod(y, fp.Modulus())
+
+		if y.ModSqrt(y, fp.Modulus()) == nil {
+			x.Add(x, one).Mod(x, fp.Modulus())
+		} else {
+			var fpX, fpY fp.Element
+			fpX.SetBigInt(x)
+			fpY.SetBigInt(y)
+			return &bn254.G1Affine{
+				X: fpX,
+				Y: fpY,
+			}
+		}
+	}
+}
+
+func CheckG1AndG2DiscreteLogEquality(pointG1 *bn254.G1Affine, pointG2 *bn254.G2Affine) (bool, error) {
+	negGenG1 := new(bn254.G1Affine).Neg(GetG1Generator())
+	return bn254.PairingCheck([]bn254.G1Affine{*pointG1, *negGenG1}, []bn254.G2Affine{*GetG2Generator(), *pointG2})
+}
+
+func GetG1Generator() *bn254.G1Affine {
+	g1Gen := new(bn254.G1Affine)
+	_, err := g1Gen.X.SetString("1")
+	if err != nil {
+		return nil
+	}
+	_, err = g1Gen.Y.SetString("2")
+	if err != nil {
+		return nil
+	}
+	return g1Gen
+}
+
+func GetG2Generator() *bn254.G2Affine {
+	g2Gen := new(bn254.G2Affine)
+	g2Gen.X.SetString("10857046999023057135944570762232829481370756359578518086990519993285655852781",
+		"11559732032986387107991004021392285783925812861821192530917403151452391805634")
+	g2Gen.Y.SetString("8495653923123431417604973247489272438418190587263600148770280649306958101930",
+		"4082367875863433681332203403145435568316851327593401208105741076214120093531")
+	return g2Gen
+}
+
+func MulByGeneratorG1(a *fr.Element) *bn254.G1Affine {
+	g1Gen := GetG1Generator()
+	return new(bn254.G1Affine).ScalarMultiplication(g1Gen, a.BigInt(new(big.Int)))
+}
+
+func MulByGeneratorG2(a *fr.Element) *bn254.G2Affine {
+	g2Gen := GetG2Generator()
+	return new(bn254.G2Affine).ScalarMultiplication(g2Gen, a.BigInt(new(big.Int)))
+}
+
+func SerializeG1(p *bn254.G1Affine) []byte {
+	b := make([]byte, 0)
+	tmp := p.X.Bytes()
+	for i := 0; i < 32; i++ {
+		b = append(b, tmp[i])
+	}
+	tmp = p.Y.Bytes()
+	for i := 0; i < 32; i++ {
+		b = append(b, tmp[i])
+	}
+	return b
+}
+
+func DeserializeG1(b []byte) *bn254.G1Affine {
+	p := new(bn254.G1Affine)
+	p.X.SetBytes(b[0:32])
+	p.Y.SetBytes(b[32:64])
+	return p
+}
+
+func SerializeG2(p *bn254.G2Affine) []byte {
+	b := make([]byte, 0)
+	tmp := p.X.A0.Bytes()
+	for i := 0; i < 32; i++ {
+		b = append(b, tmp[i])
+	}
+	tmp = p.X.A1.Bytes()
+	for i := 0; i < 32; i++ {
+		b = append(b, tmp[i])
+	}
+	tmp = p.Y.A0.Bytes()
+	for i := 0; i < 32; i++ {
+		b = append(b, tmp[i])
+	}
+	tmp = p.Y.A1.Bytes()
+	for i := 0; i < 32; i++ {
+		b = append(b, tmp[i])
+	}
+	return b
+}
+
+func DeserializeG2(b []byte) *bn254.G2Affine {
+	p := new(bn254.G2Affine)
+	p.X.A0.SetBytes(b[0:32])
+	p.X.A1.SetBytes(b[32:64])
+	p.Y.A0.SetBytes(b[64:96])
+	p.Y.A1.SetBytes(b[96:128])
+	return p
+}
+
+func Gamma(hash *bn254.G1Affine, signature *bn254.G1Affine, pkG1 *bn254.G1Affine, pkG2 *bn254.G2Affine) *big.Int {
+	toHash := make([]byte, 0)
+	toHash = append(toHash, SerializeG1(hash)...)
+	toHash = append(toHash, SerializeG1(signature)...)
+	toHash = append(toHash, SerializeG1(pkG1)...)
+	toHash = append(toHash, SerializeG2(pkG2)...)
+
+	msgHash := crypto.Keccak256(toHash)
+	gamma := new(big.Int)
+	gamma.SetBytes(msgHash)
+	gamma.Mod(gamma, FR_MODULUS)
+	return gamma
+}

go.mod

@@ -2,6 +2,8 @@ module github.com/0glabs/0g-chain
 
 go 1.21
 
+toolchain go1.21.5
+
 require (
 	cosmossdk.io/errors v1.0.1
 	cosmossdk.io/log v1.3.1
@@ -80,6 +82,7 @@ require (
 	github.com/cockroachdb/tokenbucket v0.0.0-20230807174530-cc333fc44b06 // indirect
 	github.com/coinbase/rosetta-sdk-go v0.7.9 // indirect
 	github.com/confio/ics23/go v0.9.0 // indirect
+	github.com/consensys/bavard v0.1.13 // indirect
 	github.com/cosmos/btcutil v1.0.5 // indirect
 	github.com/cosmos/gogogateway v1.2.0 // indirect
 	github.com/cosmos/ics23/go v0.10.0 // indirect
@@ -92,6 +95,7 @@ require (
 	github.com/decred/dcrd/dcrec/secp256k1/v4 v4.2.0 // indirect
 	github.com/desertbit/timer v0.0.0-20180107155436-c41aec40b27f // indirect
 	github.com/dgraph-io/badger/v2 v2.2007.4 // indirect
+	github.com/dgraph-io/badger/v3 v3.2103.2 // indirect
 	github.com/dgraph-io/ristretto v0.1.1 // indirect
 	github.com/dgryski/go-farm v0.0.0-20200201041132-a6ae2369ad13 // indirect
 	github.com/dlclark/regexp2 v1.4.1-0.20201116162257-a2a8dda75c91 // indirect
@@ -118,8 +122,10 @@ require (
 	github.com/golang/mock v1.6.0 // indirect
 	github.com/golang/snappy v0.0.4 // indirect
 	github.com/google/btree v1.1.2 // indirect
-	github.com/google/go-cmp v0.6.0 // indirect
 	github.com/google/orderedcode v0.0.1 // indirect
+	github.com/google/flatbuffers v1.12.1 // indirect
+	github.com/google/go-cmp v0.6.0 // indirect
+	github.com/google/pprof v0.0.0-20230228050547-1710fef4ab10 // indirect
 	github.com/google/s2a-go v0.1.7 // indirect
 	github.com/google/uuid v1.6.0 // indirect
 	github.com/googleapis/enterprise-certificate-proxy v0.3.2 // indirect
@@ -152,6 +158,7 @@ require (
 	github.com/klauspost/compress v1.17.7 // indirect
 	github.com/kr/pretty v0.3.1 // indirect
 	github.com/kr/text v0.2.0 // indirect
+	github.com/klauspost/compress v1.17.0 // indirect
 	github.com/lib/pq v1.10.7 // indirect
 	github.com/magiconair/properties v1.8.7 // indirect
 	github.com/manifoldco/promptui v0.9.0 // indirect
@@ -164,6 +171,7 @@ require (
 	github.com/mitchellh/go-homedir v1.1.0 // indirect
 	github.com/mitchellh/go-testing-interface v1.14.1 // indirect
 	github.com/mitchellh/mapstructure v1.5.0 // indirect
+	github.com/mmcloughlin/addchain v0.4.0 // indirect
 	github.com/mtibben/percent v0.2.1 // indirect
 	github.com/olekukonko/tablewriter v0.0.5 // indirect
 	github.com/petermattis/goid v0.0.0-20231207134359-e60b3f734c67 // indirect
@@ -221,7 +229,8 @@ require (
 	gopkg.in/natefinch/npipe.v2 v2.0.0-20160621034901-c1b8fa8bdcce // indirect
 	gopkg.in/yaml.v3 v3.0.1 // indirect
 	nhooyr.io/websocket v1.8.6 // indirect
-	pgregory.net/rapid v1.1.0 // indirect
+	pgregory.net/rapid v0.5.5 // indirect
+	rsc.io/tmplfunc v0.0.3 // indirect
 )
 
 replace (

go.sum

@@ -209,13 +209,15 @@ filippo.io/edwards25519 v1.0.0 h1:0wAIcmJUqRdI8IJ/3eGi5/HwXZWPujYXXlkrQogz0Ek=
 filippo.io/edwards25519 v1.0.0/go.mod h1:N1IkdkCkiLB6tki+MYJoSx2JTY9NUlxZE7eHn5EwJns=
 git.sr.ht/~sircmpwn/getopt v0.0.0-20191230200459-23622cc906b3/go.mod h1:wMEGFFFNuPos7vHmWXfszqImLppbc0wEhh6JBfJIUgw=
 git.sr.ht/~sircmpwn/go-bare v0.0.0-20210406120253-ab86bc2846d9/go.mod h1:BVJwbDfVjCjoFiKrhkei6NdGcZYpkDkdyCdg1ukytRA=
+github.com/0glabs/ethermint v0.21.0-0g.v2.0.0 h1:3sfsRkaPaG7v2smfxEJ2TvwPcVMIkG8yRRVR8+tbYkc=
+github.com/0glabs/ethermint v0.21.0-0g.v2.0.0/go.mod h1:peUmQT71k9BOBgoWoIRWRrM/O01mffVjIH0RLnoaFuI=
 github.com/99designs/go-keychain v0.0.0-20191008050251-8e49817e8af4 h1:/vQbFIOMbk2FiG/kXiLl8BRyzTWDw7gX/Hz7Dd5eDMs=
 github.com/99designs/go-keychain v0.0.0-20191008050251-8e49817e8af4/go.mod h1:hN7oaIRCjzsZ2dE+yG5k+rsdt3qcwykqK6HVGcKwsw4=
 github.com/Azure/azure-sdk-for-go/sdk/azcore v0.21.1/go.mod h1:fBF9PQNqB8scdgpZ3ufzaLntG0AG7C1WjPMsiFOmfHM=
 github.com/Azure/azure-sdk-for-go/sdk/internal v0.8.3/go.mod h1:KLF4gFr6DcKFZwSuH8w8yEK6DpFl3LP5rhdvAb7Yz5I=
 github.com/Azure/azure-sdk-for-go/sdk/storage/azblob v0.3.0/go.mod h1:tPaiy8S5bQ+S5sOiDlINkp7+Ef339+Nz5L5XO+cnOHo=
-github.com/Azure/go-ansiterm v0.0.0-20210617225240-d185dfc1b5a1 h1:UQHMgLO+TxOElx5B5HZ4hJQsoJ/PvUvKRhJHDQXO8P8=
-github.com/Azure/go-ansiterm v0.0.0-20210617225240-d185dfc1b5a1/go.mod h1:xomTg63KZ2rFqZQzSB4Vz2SUXa1BpHTVz9L5PTmPC4E=
+github.com/Azure/go-ansiterm v0.0.0-20230124172434-306776ec8161 h1:L/gRVlceqvL25UVaW/CKtUDjefjrs0SPonmDGUVOYP0=
+github.com/Azure/go-ansiterm v0.0.0-20230124172434-306776ec8161/go.mod h1:xomTg63KZ2rFqZQzSB4Vz2SUXa1BpHTVz9L5PTmPC4E=
 github.com/BurntSushi/toml v0.3.1/go.mod h1:xHWCNGjB5oqiDr8zfno3MHue2Ht5sIBksp03qcyfWMU=
 github.com/BurntSushi/toml v1.1.0/go.mod h1:CxXYINrC8qIiEnFrOxCa7Jy5BFHlXnUU2pbicEuybxQ=
 github.com/ChainSafe/go-schnorrkel v1.0.0 h1:3aDA67lAykLaG1y3AOjs88dMxC88PgUuHRrLeDnvGIM=
@@ -295,6 +297,8 @@ github.com/bgentry/go-netrc v0.0.0-20140422174119-9fd32a8b3d3d/go.mod h1:6QX/PXZ
 github.com/bgentry/speakeasy v0.1.0/go.mod h1:+zsyZBPWlz7T6j88CTgSN5bM796AkVf0kBD4zp0CCIs=
 github.com/bgentry/speakeasy v0.1.1-0.20220910012023-760eaf8b6816 h1:41iFGWnSlI2gVpmOtVTJZNodLdLQLn/KsJqFvXwnd/s=
 github.com/bgentry/speakeasy v0.1.1-0.20220910012023-760eaf8b6816/go.mod h1:+zsyZBPWlz7T6j88CTgSN5bM796AkVf0kBD4zp0CCIs=
+github.com/bits-and-blooms/bitset v1.7.0 h1:YjAGVd3XmtK9ktAbX8Zg2g2PwLIMjGREZJHlV4j7NEo=
+github.com/bits-and-blooms/bitset v1.7.0/go.mod h1:gIdJ4wp64HaoK2YrL1Q5/N7Y16edYb8uY+O0FJTyyDA=
 github.com/bmizerany/pat v0.0.0-20170815010413-6226ea591a40/go.mod h1:8rLXio+WjiTceGBHIoTvn60HIbs7Hm7bcHjyrSqYB9c=
 github.com/boltdb/bolt v1.3.1/go.mod h1:clJnj/oiGkjum5o1McbSZDSLxVThjynRyGBgiAx27Ps=
 github.com/btcsuite/btcd v0.0.0-20190315201642-aa6e0f35703c/go.mod h1:DrZx5ec/dmnfpw9KyYoQyYo7d0KEvTkk/5M/vbZjAr8=
@@ -352,9 +356,6 @@ github.com/cespare/xxhash/v2 v2.1.1/go.mod h1:VGX0DQ3Q6kWi7AoAeZDth3/j3BFtOZR5XL
 github.com/cespare/xxhash/v2 v2.3.0 h1:UL815xU9SqsFlibzuggzjXhog7bL6oX9BbNZnL2UFvs=
 github.com/cespare/xxhash/v2 v2.3.0/go.mod h1:VGX0DQ3Q6kWi7AoAeZDth3/j3BFtOZR5XLFGgcrjCOs=
 github.com/cheggaaa/pb v1.0.27/go.mod h1:pQciLPpbU0oxA0h+VJYYLxO+XeDQb5pZijXscXHm81s=
-github.com/chenzhuoyu/base64x v0.0.0-20211019084208-fb5309c8db06/go.mod h1:DH46F32mSOjUmXrMHnKwZdA8wcEefY7UVqBKYGjpdQY=
-github.com/chenzhuoyu/base64x v0.0.0-20221115062448-fe3a3abad311 h1:qSGYFH7+jGhDF8vLC+iwCD4WpbV1EBDSzWkJODFLams=
-github.com/chenzhuoyu/base64x v0.0.0-20221115062448-fe3a3abad311/go.mod h1:b583jCggY9gE99b6G5LEC39OIiVsWj+R97kbl5odCEk=
 github.com/chzyer/logex v1.1.10/go.mod h1:+Ywpsq7O8HXn0nuIou7OrIPyXbp3wmkHB+jjWRnGsAI=
 github.com/chzyer/logex v1.2.1 h1:XHDu3E6q+gdHgsdTPH6ImJMIp436vR6MPtH8gP05QzM=
 github.com/chzyer/logex v1.2.1/go.mod h1:JLbx6lG2kDbNRFnfkgvh4eRJRPX1QCoOIWomwysCBrQ=
@@ -405,8 +406,12 @@ github.com/coniks-sys/coniks-go v0.0.0-20180722014011-11acf4819b71 h1:MFLTqgfJcl
 github.com/coniks-sys/coniks-go v0.0.0-20180722014011-11acf4819b71/go.mod h1:TrHYHH4Wze7v7Hkwu1MH1W+mCPQKM+gs+PicdEV14o8=
 github.com/consensys/bavard v0.1.8-0.20210406032232-f3452dc9b572/go.mod h1:Bpd0/3mZuaj6Sj+PqrmIquiOKy397AKGThQPaGzNXAQ=
 github.com/consensys/bavard v0.1.8-0.20210915155054-088da2f7f54a/go.mod h1:9ItSMtA/dXMAiL7BG6bqW2m3NdSEObYWoH223nGHukI=
+github.com/consensys/bavard v0.1.13 h1:oLhMLOFGTLdlda/kma4VOJazblc7IM5y5QPd2A/YjhQ=
+github.com/consensys/bavard v0.1.13/go.mod h1:9ItSMtA/dXMAiL7BG6bqW2m3NdSEObYWoH223nGHukI=
 github.com/consensys/gnark-crypto v0.4.1-0.20210426202927-39ac3d4b3f1f/go.mod h1:815PAHg3wvysy0SyIqanF8gZ0Y1wjk/hrDHD/iT88+Q=
 github.com/consensys/gnark-crypto v0.5.3/go.mod h1:hOdPlWQV1gDLp7faZVeg8Y0iEPFaOUnCc4XeCCk96p0=
+github.com/consensys/gnark-crypto v0.12.1 h1:lHH39WuuFgVHONRl3J0LRBtuYdQTumFSDtJF7HpyG8M=
+github.com/consensys/gnark-crypto v0.12.1/go.mod h1:v2Gy7L/4ZRosZ7Ivs+9SfUDr0f5UlG+EM5t7MPHiLuY=
 github.com/containerd/continuity v0.3.0 h1:nisirsYROK15TAMVukJOUyGJjz4BNQJBVsNvAXZJ/eg=
 github.com/containerd/continuity v0.3.0/go.mod h1:wJEAIwKOm/pBZuBd0JmeTvnLquTB1Ag8espWhkykbPM=
 github.com/coreos/etcd v3.3.10+incompatible/go.mod h1:uF7uidLiAD3TWHmW31ZFd/JWoc32PjwdhPthX9715RE=
@@ -437,6 +442,12 @@ github.com/cosmos/ibc-go/v7 v7.4.0 h1:8FqYMptvksgMvlbN4UW9jFxTXzsPyfAzEZurujXac8
 github.com/cosmos/ibc-go/v7 v7.4.0/go.mod h1:L/KaEhzV5TGUCTfGysVgMBQtl5Dm7hHitfpk+GIeoAo=
 github.com/cosmos/ics23/go v0.10.0 h1:iXqLLgp2Lp+EdpIuwXTYIQU+AiHj9mOC2X9ab++bZDM=
 github.com/cosmos/ics23/go v0.10.0/go.mod h1:ZfJSmng/TBNTBkFemHHHj5YY7VAU/MBU980F4VU1NG0=
+github.com/cosmos/gogoproto v1.4.11 h1:LZcMHrx4FjUgrqQSWeaGC1v/TeuVFqSLa43CC6aWR2g=
+github.com/cosmos/gogoproto v1.4.11/go.mod h1:/g39Mh8m17X8Q/GDEs5zYTSNaNnInBSohtaxzQnYq1Y=
+github.com/cosmos/iavl v0.19.5 h1:rGA3hOrgNxgRM5wYcSCxgQBap7fW82WZgY78V9po/iY=
+github.com/cosmos/iavl v0.19.5/go.mod h1:X9PKD3J0iFxdmgNLa7b2LYWdsGd90ToV5cAONApkEPw=
+github.com/cosmos/ibc-go/v6 v6.1.1 h1:oqqMNyjj6SLQF8rvgCaDGwfdITEIsbhs8F77/8xvRIo=
+github.com/cosmos/ibc-go/v6 v6.1.1/go.mod h1:NL17FpFAaWjRFVb1T7LUKuOoMSsATPpu+Icc4zL5/Ik=
 github.com/cosmos/keyring v1.2.0 h1:8C1lBP9xhImmIabyXW4c3vFjjLiBdGCmfLUfeZlV1Yo=
 github.com/cosmos/keyring v1.2.0/go.mod h1:fc+wB5KTk9wQ9sDx0kFXB3A0MaeGHM9AwRStKOQ5vOA=
 github.com/cosmos/ledger-cosmos-go v0.13.3 h1:7ehuBGuyIytsXbd4MP43mLeoN2LTOEnk5nvue4rK+yM=
@@ -451,6 +462,10 @@ github.com/cpuguy83/go-md2man/v2 v2.0.3 h1:qMCsGGgs+MAzDFyp9LpAe1Lqy/fY/qCovCm0q
 github.com/cpuguy83/go-md2man/v2 v2.0.3/go.mod h1:tgQtvFlXSQOSOSIRvRPT7W67SCa46tRHOmNcaadrF8o=
 github.com/creachadair/taskgroup v0.4.2 h1:jsBLdAJE42asreGss2xZGZ8fJra7WtwnHWeJFxv2Li8=
 github.com/creachadair/taskgroup v0.4.2/go.mod h1:qiXUOSrbwAY3u0JPGTzObbE3yf9hcXHDKBZ2ZjpCbgM=
+github.com/cpuguy83/go-md2man/v2 v2.0.3 h1:qMCsGGgs+MAzDFyp9LpAe1Lqy/fY/qCovCm0qnXZOBM=
+github.com/cpuguy83/go-md2man/v2 v2.0.3/go.mod h1:tgQtvFlXSQOSOSIRvRPT7W67SCa46tRHOmNcaadrF8o=
+github.com/creachadair/taskgroup v0.3.2 h1:zlfutDS+5XG40AOxcHDSThxKzns8Tnr9jnr6VqkYlkM=
+github.com/creachadair/taskgroup v0.3.2/go.mod h1:wieWwecHVzsidg2CsUnFinW1faVN4+kq+TDlRJQ0Wbk=
 github.com/creack/pty v1.1.7/go.mod h1:lj5s0c3V2DBrqTV7llrYr5NG6My20zk30Fl46Y7DoTY=
 github.com/creack/pty v1.1.9/go.mod h1:oKZEueFk5CKHvIhNR5MUki03XCEU+Q6VDXinZuGJ33E=
 github.com/cyberdelia/templates v0.0.0-20141128023046-ca7fffd4298c/go.mod h1:GyV+0YP4qX0UQ7r2MoYZ+AvYDp12OF5yg4q8rGnyNh4=
@@ -479,6 +494,7 @@ github.com/dgraph-io/badger/v2 v2.2007.4 h1:TRWBQg8UrlUhaFdco01nO2uXwzKS7zd+HVdw
 github.com/dgraph-io/badger/v2 v2.2007.4/go.mod h1:vSw/ax2qojzbN6eXHIx6KPKtCSHJN/Uz0X0VPruTIhk=
 github.com/dgraph-io/ristretto v0.0.3-0.20200630154024-f66de99634de/go.mod h1:KPxhHT9ZxKefz+PCeOGsrHpl1qZ7i70dGTu2u+Ahh6E=
 github.com/dgraph-io/ristretto v0.0.3/go.mod h1:KPxhHT9ZxKefz+PCeOGsrHpl1qZ7i70dGTu2u+Ahh6E=
+github.com/dgraph-io/ristretto v0.1.0/go.mod h1:fux0lOrBhrVCJd3lcTHsIJhq1T2rokOu6v9Vcb3Q9ug=
 github.com/dgraph-io/ristretto v0.1.1 h1:6CWw5tJNgpegArSHpNHJKldNeq03FQCwYvfMVWajOK8=
 github.com/dgraph-io/ristretto v0.1.1/go.mod h1:S1GPSBCYCIhmVNfcth17y2zZtQT6wzkzgwUve0VDWWA=
 github.com/dgryski/go-bitstream v0.0.0-20180413035011-3522498ce2c8/go.mod h1:VMaSuZ+SZcx/wljOQKvp5srsbCiKDEb6K2wC4+PiBmQ=
@@ -720,11 +736,13 @@ github.com/google/pprof v0.0.0-20210122040257-d980be63207e/go.mod h1:kpwsk12EmLe
 github.com/google/pprof v0.0.0-20210226084205-cbba55b83ad5/go.mod h1:kpwsk12EmLew5upagYY7GY0pfYCcupk39gWOCRROcvE=
 github.com/google/pprof v0.0.0-20210601050228-01bbb1931b22/go.mod h1:kpwsk12EmLew5upagYY7GY0pfYCcupk39gWOCRROcvE=
 github.com/google/pprof v0.0.0-20210609004039-a478d1d731e9/go.mod h1:kpwsk12EmLew5upagYY7GY0pfYCcupk39gWOCRROcvE=
-github.com/google/pprof v0.0.0-20210720184732-4bb14d4b1be1 h1:K6RDEckDVWvDI9JAJYCmNdQXq6neHJOYx3V6jnqNEec=
 github.com/google/pprof v0.0.0-20210720184732-4bb14d4b1be1/go.mod h1:kpwsk12EmLew5upagYY7GY0pfYCcupk39gWOCRROcvE=
+github.com/google/pprof v0.0.0-20230228050547-1710fef4ab10 h1:CqYfpuYIjnlNxM3msdyPRKabhXZWbKjf3Q8BWROFBso=
+github.com/google/pprof v0.0.0-20230228050547-1710fef4ab10/go.mod h1:79YE0hCXdHag9sBkw2o+N/YnZtTkXi0UT9Nnixa5eYk=
 github.com/google/renameio v0.1.0/go.mod h1:KWCgfxg9yswjAJkECMjeO8J8rahYeXnNhOm40UhjYkI=
 github.com/google/s2a-go v0.1.7 h1:60BLSyTrOV4/haCDW4zb1guZItoSq8foHCXrAnjBo/o=
 github.com/google/s2a-go v0.1.7/go.mod h1:50CgR4k1jNlWBu4UfS4AcfhVe1r6pdZPygJ3R8F0Qdw=
+github.com/google/subcommands v1.2.0/go.mod h1:ZjhPrFU+Olkh9WazFPsl27BQ4UPiG37m3yTrtFlrHVk=
 github.com/google/uuid v1.0.0/go.mod h1:TIyPZe4MgqvfeYDBFedMoGGpEw/LqOeaOT+nhxU+yHo=
 github.com/google/uuid v1.1.1/go.mod h1:TIyPZe4MgqvfeYDBFedMoGGpEw/LqOeaOT+nhxU+yHo=
 github.com/google/uuid v1.1.2/go.mod h1:TIyPZe4MgqvfeYDBFedMoGGpEw/LqOeaOT+nhxU+yHo=
@@ -864,6 +882,8 @@ github.com/jessevdk/go-flags v0.0.0-20141203071132-1679536dcc89/go.mod h1:4FA24M
 github.com/jessevdk/go-flags v1.4.0/go.mod h1:4FA24M0QyGHXBuZZK/XkWh8h0e1EYbRYJSGM75WSRxI=
 github.com/jhump/protoreflect v1.15.1 h1:HUMERORf3I3ZdX05WaQ6MIpd/NJ434hTp5YiKgfCL6c=
 github.com/jhump/protoreflect v1.15.1/go.mod h1:jD/2GMKKE6OqX8qTjhADU1e6DShO+gavG9e0Q693nKo=
+github.com/jhump/protoreflect v1.12.1-0.20220721211354-060cc04fc18b h1:izTof8BKh/nE1wrKOrloNA5q4odOarjf+Xpe+4qow98=
+github.com/jhump/protoreflect v1.12.1-0.20220721211354-060cc04fc18b/go.mod h1:JytZfP5d0r8pVNLZvai7U/MCuTWITgrI4tTg7puQFKI=
 github.com/jmespath/go-jmespath v0.0.0-20180206201540-c2b33e8439af/go.mod h1:Nht3zPeWKUH0NzdCt2Blrr5ys8VGpn0CEB0cQHVjt7k=
 github.com/jmespath/go-jmespath v0.4.0 h1:BEgLn5cpjn8UN1mAw4NjwDrS35OdebyEtFe+9YPoQUg=
 github.com/jmespath/go-jmespath v0.4.0/go.mod h1:T8mJZnbsbmF+m6zOOFylbeCJqk5+pHWvzYPziyZiYoo=
@@ -911,6 +931,8 @@ github.com/klauspost/compress v1.15.11/go.mod h1:QPwzmACJjUTFsnSHH934V6woptycfrD
 github.com/klauspost/compress v1.17.7 h1:ehO88t2UGzQK66LMdE8tibEd1ErmzZjNEqWkjLAKQQg=
 github.com/klauspost/compress v1.17.7/go.mod h1:Di0epgTjJY877eYKx5yC51cX2A2Vl2ibi7bDH9ttBbw=
 github.com/klauspost/cpuid v0.0.0-20170728055534-ae7887de9fa5 h1:2U0HzY8BJ8hVwDKIzp7y4voR9CX/nvcfymLmg2UiOio=
+github.com/klauspost/compress v1.17.0 h1:Rnbp4K9EjcDuVuHtd0dgA4qNuv9yKDYKK1ulpJwgrqM=
+github.com/klauspost/compress v1.17.0/go.mod h1:ntbaceVETuRiXiv4DpjP66DpAtAGkEQskQzEyD//IeE=
 github.com/klauspost/cpuid v0.0.0-20170728055534-ae7887de9fa5/go.mod h1:Pj4uuM528wm8OyEC2QMXAi2YiTZ96dNQPGgoMS4s3ek=
 github.com/klauspost/cpuid/v2 v2.0.9 h1:lgaqFMSdTdQYdZ04uHyN2d/eKdOMyi2YLSvlQIBFYa4=
 github.com/klauspost/cpuid/v2 v2.0.9/go.mod h1:FInQzS24/EEf25PyTYn52gqo7WaD8xa0213Md/qVLRg=
@@ -932,6 +954,7 @@ github.com/kylelemons/godebug v0.0.0-20170224010052-a616ab194758/go.mod h1:B69LE
 github.com/kylelemons/godebug v1.1.0/go.mod h1:9/0rRGxNHcop5bhtWyNeEfOS8JIWk580+fNqagV/RAw=
 github.com/labstack/echo/v4 v4.2.1/go.mod h1:AA49e0DZ8kk5jTOOCKNuPR6oTnBS0dYiM4FW1e6jwpg=
 github.com/labstack/gommon v0.3.0/go.mod h1:MULnywXg0yavhxWKc+lOruYdAhDwPK9wf0OL7NoOu+k=
+github.com/leanovate/gopter v0.2.9 h1:fQjYxZaynp97ozCzfOyOuAGOU4aU/z37zf/tOujFk7c=
 github.com/leanovate/gopter v0.2.9/go.mod h1:U2L/78B+KVFIx2VmW6onHJQzXtFb+p5y3y2Sh+Jxxv8=
 github.com/leodido/go-urn v1.2.1 h1:BqpAaACuzVSgi/VLzGZIobT2z4v53pjosyNd9Yv6n/w=
 github.com/leodido/go-urn v1.2.1/go.mod h1:zt4jvISO2HfUBqxjfIshjdMTYS56ZS/qv49ictyFfxY=
@@ -1003,6 +1026,9 @@ github.com/mitchellh/mapstructure v1.5.0 h1:jeMsZIYE/09sWLaz43PL7Gy6RuMjD2eJVyua
 github.com/mitchellh/mapstructure v1.5.0/go.mod h1:bFUtVrKA4DC2yAKiSyO/QUcy7e+RRV2QTWOzhPopBRo=
 github.com/mitchellh/pointerstructure v1.2.0 h1:O+i9nHnXS3l/9Wu7r4NrEdwA2VFTicjUEN1uBnDo34A=
 github.com/mitchellh/pointerstructure v1.2.0/go.mod h1:BRAsLI5zgXmw97Lf6s25bs8ohIXc3tViBH44KcwB2g4=
+github.com/mmcloughlin/addchain v0.4.0 h1:SobOdjm2xLj1KkXN5/n0xTIWyZA2+s99UCY1iPfkHRY=
+github.com/mmcloughlin/addchain v0.4.0/go.mod h1:A86O+tHqZLMNO4w6ZZ4FlVQEadcoqkyU72HC5wJ4RlU=
+github.com/mmcloughlin/profile v0.1.1/go.mod h1:IhHD7q1ooxgwTgjxQYkACGA77oFTDdFVejUS1/tS/qU=
 github.com/modern-go/concurrent v0.0.0-20180228061459-e0a39a4cb421/go.mod h1:6dJC0mAP4ikYIbvyc7fijjWJddQyLn8Ig3JB5CqoB9Q=
 github.com/modern-go/concurrent v0.0.0-20180306012644-bacd9c7ef1dd h1:TRLaZ9cD/w8PVh93nsPXa1VrQ6jlwL5oN8l14QlcNfg=
 github.com/modern-go/concurrent v0.0.0-20180306012644-bacd9c7ef1dd/go.mod h1:6dJC0mAP4ikYIbvyc7fijjWJddQyLn8Ig3JB5CqoB9Q=
@@ -1377,6 +1403,9 @@ golang.org/x/crypto v0.22.0 h1:g1v0xeRhjcugydODzvb3mEM9SQ0HGp9s/nh3COQ/C30=
 golang.org/x/crypto v0.22.0/go.mod h1:vr6Su+7cTlO45qkww3VDJlzDn0ctJvRgYbC2NvXHt+M=
 golang.org/x/exp v0.0.0-20230711153332-06a737ee72cb h1:xIApU0ow1zwMa2uL1VDNeQlNVFTWMQxZUZCMDy0Q4Us=
 golang.org/x/exp v0.0.0-20230711153332-06a737ee72cb/go.mod h1:FXUEEKJgO7OQYeo8N01OfiKP8RXMtf6e8aTskBGqWdc=
+golang.org/x/exp v0.0.0-20220426173459-3bcf042a4bf5/go.mod h1:lgLbSvA5ygNOMpwM/9anMpWVlVJ7Z+cHWq/eFuinpGE=
+golang.org/x/exp v0.0.0-20230905200255-921286631fa9 h1:GoHiUyI/Tp2nVkLI2mCxVkOjsbSXD66ic0XW0js0R9g=
+golang.org/x/exp v0.0.0-20230905200255-921286631fa9/go.mod h1:S2oDrQGGwySpoQPVqRShND87VCbxmc6bL1Yd2oYrm6k=
 golang.org/x/image v0.0.0-20180708004352-c73c2afc3b81/go.mod h1:ux5Hcp/YLpHSI86hEcLt0YII63i6oz57MZXIpbrjZUs=
 golang.org/x/image v0.0.0-20190227222117-0694c2d4d067/go.mod h1:kZ7UVZpmo3dzQBMxlp+ypCbDeSB+sBbTgSJuh5dn5js=
 golang.org/x/lint v0.0.0-20181026193005-c67002cb31c3/go.mod h1:UVdnD1Gm6xHRNCYTkRU2/jEulfH38KcIWyp/GAMgvoE=
@@ -1656,6 +1685,8 @@ golang.org/x/time v0.0.0-20210220033141-f8bda1e9f3ba/go.mod h1:tRJNPiyCQ0inRvYxb
 golang.org/x/time v0.5.0 h1:o7cqy6amK/52YcAKIPlM3a+Fpj35zvRj2TP+e1xFSfk=
 golang.org/x/time v0.5.0/go.mod h1:3BpzKBy/shNhVucY/MWOyx10tF3SFh9QdLuxbVysPQM=
 golang.org/x/tools v0.0.0-20180221164845-07fd8470d635/go.mod h1:n7NCudcB/nEzxVGmLbDWY5pfWTLqBcC2KZ6jyYvM4mQ=
+golang.org/x/time v0.5.0 h1:o7cqy6amK/52YcAKIPlM3a+Fpj35zvRj2TP+e1xFSfk=
+golang.org/x/time v0.5.0/go.mod h1:3BpzKBy/shNhVucY/MWOyx10tF3SFh9QdLuxbVysPQM=
 golang.org/x/tools v0.0.0-20180525024113-a5b4c53f6e8b/go.mod h1:n7NCudcB/nEzxVGmLbDWY5pfWTLqBcC2KZ6jyYvM4mQ=
 golang.org/x/tools v0.0.0-20180828015842-6cd1fcedba52/go.mod h1:n7NCudcB/nEzxVGmLbDWY5pfWTLqBcC2KZ6jyYvM4mQ=
 golang.org/x/tools v0.0.0-20180917221912-90fa682c2a6e/go.mod h1:n7NCudcB/nEzxVGmLbDWY5pfWTLqBcC2KZ6jyYvM4mQ=
@@ -2025,6 +2056,7 @@ rsc.io/binaryregexp v0.2.0/go.mod h1:qTv7/COck+e2FymRvadv62gMdZztPaShugOCi3I+8D8
 rsc.io/pdf v0.1.1/go.mod h1:n8OzWcQ6Sp37PL01nO98y4iUCRdTGarVfzxY20ICaU4=
 rsc.io/quote/v3 v3.1.0/go.mod h1:yEA65RcK8LyAZtP9Kv3t0HmxON59tX3rD+tICJqUlj0=
 rsc.io/sampler v1.3.0/go.mod h1:T1hPZKmBbMNahiBKFy5HrXp6adAjACjK9JXDnKaTXpA=
+rsc.io/tmplfunc v0.0.3 h1:53XFQh69AfOa8Tw0Jm7t+GV7KZhOi6jzsCzTtKbMvzU=
 rsc.io/tmplfunc v0.0.3/go.mod h1:AG3sTPzElb1Io3Yg4voV9AGZJuleGAwaVRxL9M49PhA=
 sigs.k8s.io/yaml v1.1.0/go.mod h1:UJmg0vDUVViEyp3mgSv9WPwZCDxu4rQW1olrI1uml+o=
 sigs.k8s.io/yaml v1.4.0 h1:Mk1wCc2gy/F0THH0TAp1QYyJNzRm2KCLy3o5ASXVI5E=

precompiles/common/errors.go

@@ -0,0 +1,6 @@
+package common
+
+const (
+	ErrGetStateDB          = "get EVM StateDB failed"
+	ErrInvalidNumberOfArgs = "invalid number of arguments; expected %d; got: %d"
+)

precompiles/dasigners/IDASigners.abi

@@ -0,0 +1,363 @@
+[
+  {
+    "anonymous": false,
+    "inputs": [
+      {
+        "indexed": true,
+        "internalType": "address",
+        "name": "signer",
+        "type": "address"
+      },
+      {
+        "components": [
+          {
+            "internalType": "uint256",
+            "name": "X",
+            "type": "uint256"
+          },
+          {
+            "internalType": "uint256",
+            "name": "Y",
+            "type": "uint256"
+          }
+        ],
+        "indexed": false,
+        "internalType": "struct BN254.G1Point",
+        "name": "pkG1",
+        "type": "tuple"
+      },
+      {
+        "components": [
+          {
+            "internalType": "uint256[2]",
+            "name": "X",
+            "type": "uint256[2]"
+          },
+          {
+            "internalType": "uint256[2]",
+            "name": "Y",
+            "type": "uint256[2]"
+          }
+        ],
+        "indexed": false,
+        "internalType": "struct BN254.G2Point",
+        "name": "pkG2",
+        "type": "tuple"
+      }
+    ],
+    "name": "NewSigner",
+    "type": "event"
+  },
+  {
+    "anonymous": false,
+    "inputs": [
+      {
+        "indexed": true,
+        "internalType": "address",
+        "name": "signer",
+        "type": "address"
+      },
+      {
+        "indexed": false,
+        "internalType": "string",
+        "name": "socket",
+        "type": "string"
+      }
+    ],
+    "name": "SocketUpdated",
+    "type": "event"
+  },
+  {
+    "inputs": [],
+    "name": "epochNumber",
+    "outputs": [
+      {
+        "internalType": "uint256",
+        "name": "",
+        "type": "uint256"
+      }
+    ],
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "inputs": [
+      {
+        "internalType": "uint256",
+        "name": "epoch",
+        "type": "uint256"
+      },
+      {
+        "internalType": "bytes",
+        "name": "signersBitmap",
+        "type": "bytes"
+      }
+    ],
+    "name": "getAggPkG1",
+    "outputs": [
+      {
+        "components": [
+          {
+            "internalType": "uint256",
+            "name": "X",
+            "type": "uint256"
+          },
+          {
+            "internalType": "uint256",
+            "name": "Y",
+            "type": "uint256"
+          }
+        ],
+        "internalType": "struct BN254.G1Point",
+        "name": "aggPkG1",
+        "type": "tuple"
+      }
+    ],
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "inputs": [
+      {
+        "internalType": "address",
+        "name": "account",
+        "type": "address"
+      }
+    ],
+    "name": "getSigner",
+    "outputs": [
+      {
+        "components": [
+          {
+            "internalType": "address",
+            "name": "signer",
+            "type": "address"
+          },
+          {
+            "internalType": "string",
+            "name": "socket",
+            "type": "string"
+          },
+          {
+            "components": [
+              {
+                "internalType": "uint256",
+                "name": "X",
+                "type": "uint256"
+              },
+              {
+                "internalType": "uint256",
+                "name": "Y",
+                "type": "uint256"
+              }
+            ],
+            "internalType": "struct BN254.G1Point",
+            "name": "pkG1",
+            "type": "tuple"
+          },
+          {
+            "components": [
+              {
+                "internalType": "uint256[2]",
+                "name": "X",
+                "type": "uint256[2]"
+              },
+              {
+                "internalType": "uint256[2]",
+                "name": "Y",
+                "type": "uint256[2]"
+              }
+            ],
+            "internalType": "struct BN254.G2Point",
+            "name": "pkG2",
+            "type": "tuple"
+          }
+        ],
+        "internalType": "struct IDASigners.SignerDetail",
+        "name": "",
+        "type": "tuple"
+      }
+    ],
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "inputs": [
+      {
+        "internalType": "uint256",
+        "name": "epoch",
+        "type": "uint256"
+      }
+    ],
+    "name": "getSigners",
+    "outputs": [
+      {
+        "components": [
+          {
+            "internalType": "address",
+            "name": "signer",
+            "type": "address"
+          },
+          {
+            "internalType": "string",
+            "name": "socket",
+            "type": "string"
+          },
+          {
+            "components": [
+              {
+                "internalType": "uint256",
+                "name": "X",
+                "type": "uint256"
+              },
+              {
+                "internalType": "uint256",
+                "name": "Y",
+                "type": "uint256"
+              }
+            ],
+            "internalType": "struct BN254.G1Point",
+            "name": "pkG1",
+            "type": "tuple"
+          },
+          {
+            "components": [
+              {
+                "internalType": "uint256[2]",
+                "name": "X",
+                "type": "uint256[2]"
+              },
+              {
+                "internalType": "uint256[2]",
+                "name": "Y",
+                "type": "uint256[2]"
+              }
+            ],
+            "internalType": "struct BN254.G2Point",
+            "name": "pkG2",
+            "type": "tuple"
+          }
+        ],
+        "internalType": "struct IDASigners.SignerDetail[]",
+        "name": "details",
+        "type": "tuple[]"
+      }
+    ],
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "inputs": [
+      {
+        "components": [
+          {
+            "internalType": "uint256",
+            "name": "X",
+            "type": "uint256"
+          },
+          {
+            "internalType": "uint256",
+            "name": "Y",
+            "type": "uint256"
+          }
+        ],
+        "internalType": "struct BN254.G1Point",
+        "name": "_signature",
+        "type": "tuple"
+      }
+    ],
+    "name": "registerNextEpoch",
+    "outputs": [],
+    "stateMutability": "nonpayable",
+    "type": "function"
+  },
+  {
+    "inputs": [
+      {
+        "components": [
+          {
+            "internalType": "address",
+            "name": "signer",
+            "type": "address"
+          },
+          {
+            "internalType": "string",
+            "name": "socket",
+            "type": "string"
+          },
+          {
+            "components": [
+              {
+                "internalType": "uint256",
+                "name": "X",
+                "type": "uint256"
+              },
+              {
+                "internalType": "uint256",
+                "name": "Y",
+                "type": "uint256"
+              }
+            ],
+            "internalType": "struct BN254.G1Point",
+            "name": "pkG1",
+            "type": "tuple"
+          },
+          {
+            "components": [
+              {
+                "internalType": "uint256[2]",
+                "name": "X",
+                "type": "uint256[2]"
+              },
+              {
+                "internalType": "uint256[2]",
+                "name": "Y",
+                "type": "uint256[2]"
+              }
+            ],
+            "internalType": "struct BN254.G2Point",
+            "name": "pkG2",
+            "type": "tuple"
+          }
+        ],
+        "internalType": "struct IDASigners.SignerDetail",
+        "name": "_signer",
+        "type": "tuple"
+      },
+      {
+        "components": [
+          {
+            "internalType": "uint256",
+            "name": "X",
+            "type": "uint256"
+          },
+          {
+            "internalType": "uint256",
+            "name": "Y",
+            "type": "uint256"
+          }
+        ],
+        "internalType": "struct BN254.G1Point",
+        "name": "_signature",
+        "type": "tuple"
+      }
+    ],
+    "name": "registerSigner",
+    "outputs": [],
+    "stateMutability": "nonpayable",
+    "type": "function"
+  },
+  {
+    "inputs": [
+      {
+        "internalType": "string",
+        "name": "socket",
+        "type": "string"
+      }
+    ],
+    "name": "updateSocket",
+    "outputs": [],
+    "stateMutability": "nonpayable",
+    "type": "function"
+  }
+]

precompiles/dasigners/IDASigners.sol

@@ -0,0 +1,387 @@
+// Sources flattened with hardhat v2.22.2 https://hardhat.org
+
+// SPDX-License-Identifier: LGPL-3.0-only AND MIT
+
+// File contracts/libraries/BN254.sol
+
+// Original license: SPDX_License_Identifier: MIT
+// several functions are taken or adapted from https://github.com/HarryR/solcrypto/blob/master/contracts/altbn128.sol (MIT license):
+// Copyright 2017 Christian Reitwiessner
+// Permission is hereby granted, free of charge, to any person obtaining a copy
+// of this software and associated documentation files (the "Software"), to
+// deal in the Software without restriction, including without limitation the
+// rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
+// sell copies of the Software, and to permit persons to whom the Software is
+// furnished to do so, subject to the following conditions:
+// The above copyright notice and this permission notice shall be included in
+// all copies or substantial portions of the Software.
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
+// IN THE SOFTWARE.
+
+// The remainder of the code in this library is written by LayrLabs Inc. and is also under an MIT license
+
+pragma solidity ^0.8.12;
+
+/**
+ * @title Library for operations on the BN254 elliptic curve.
+ * @author Layr Labs, Inc.
+ * @notice Terms of Service: https://docs.eigenlayer.xyz/overview/terms-of-service
+ * @notice Contains BN254 parameters, common operations (addition, scalar mul, pairing), and BLS signature functionality.
+ */
+library BN254 {
+    // modulus for the underlying field F_p of the elliptic curve
+    uint internal constant FP_MODULUS = 21888242871839275222246405745257275088696311157297823662689037894645226208583;
+    // modulus for the underlying field F_r of the elliptic curve
+    uint internal constant FR_MODULUS = 21888242871839275222246405745257275088548364400416034343698204186575808495617;
+
+    struct G1Point {
+        uint X;
+        uint Y;
+    }
+
+    // Encoding of field elements is: X[1] * i + X[0]
+    struct G2Point {
+        uint[2] X;
+        uint[2] Y;
+    }
+
+    function generatorG1() internal pure returns (G1Point memory) {
+        return G1Point(1, 2);
+    }
+
+    // generator of group G2
+    /// @dev Generator point in F_q2 is of the form: (x0 + ix1, y0 + iy1).
+    uint internal constant G2x1 = 11559732032986387107991004021392285783925812861821192530917403151452391805634;
+    uint internal constant G2x0 = 10857046999023057135944570762232829481370756359578518086990519993285655852781;
+    uint internal constant G2y1 = 4082367875863433681332203403145435568316851327593401208105741076214120093531;
+    uint internal constant G2y0 = 8495653923123431417604973247489272438418190587263600148770280649306958101930;
+
+    /// @notice returns the G2 generator
+    /// @dev mind the ordering of the 1s and 0s!
+    ///      this is because of the (unknown to us) convention used in the bn254 pairing precompile contract
+    ///      "Elements a * i + b of F_p^2 are encoded as two elements of F_p, (a, b)."
+    ///      https://github.com/ethereum/EIPs/blob/master/EIPS/eip-197.md#encoding
+    function generatorG2() internal pure returns (G2Point memory) {
+        return G2Point([G2x1, G2x0], [G2y1, G2y0]);
+    }
+
+    // negation of the generator of group G2
+    /// @dev Generator point in F_q2 is of the form: (x0 + ix1, y0 + iy1).
+    uint internal constant nG2x1 = 11559732032986387107991004021392285783925812861821192530917403151452391805634;
+    uint internal constant nG2x0 = 10857046999023057135944570762232829481370756359578518086990519993285655852781;
+    uint internal constant nG2y1 = 17805874995975841540914202342111839520379459829704422454583296818431106115052;
+    uint internal constant nG2y0 = 13392588948715843804641432497768002650278120570034223513918757245338268106653;
+
+    function negGeneratorG2() internal pure returns (G2Point memory) {
+        return G2Point([nG2x1, nG2x0], [nG2y1, nG2y0]);
+    }
+
+    bytes32 internal constant powersOfTauMerkleRoot =
+        0x22c998e49752bbb1918ba87d6d59dd0e83620a311ba91dd4b2cc84990b31b56f;
+
+    /**
+     * @param p Some point in G1.
+     * @return The negation of `p`, i.e. p.plus(p.negate()) should be zero.
+     */
+    function negate(G1Point memory p) internal pure returns (G1Point memory) {
+        // The prime q in the base field F_q for G1
+        if (p.X == 0 && p.Y == 0) {
+            return G1Point(0, 0);
+        } else {
+            return G1Point(p.X, FP_MODULUS - (p.Y % FP_MODULUS));
+        }
+    }
+
+    /**
+     * @return r the sum of two points of G1
+     */
+    function plus(G1Point memory p1, G1Point memory p2) internal view returns (G1Point memory r) {
+        uint[4] memory input;
+        input[0] = p1.X;
+        input[1] = p1.Y;
+        input[2] = p2.X;
+        input[3] = p2.Y;
+        bool success;
+
+        // solium-disable-next-line security/no-inline-assembly
+        assembly {
+            success := staticcall(sub(gas(), 2000), 6, input, 0x80, r, 0x40)
+            // Use "invalid" to make gas estimation work
+            switch success
+            case 0 {
+                invalid()
+            }
+        }
+
+        require(success, "ec-add-failed");
+    }
+
+    /**
+     * @notice an optimized ecMul implementation that takes O(log_2(s)) ecAdds
+     * @param p the point to multiply
+     * @param s the scalar to multiply by
+     * @dev this function is only safe to use if the scalar is 9 bits or less
+     */
+    function scalar_mul_tiny(BN254.G1Point memory p, uint16 s) internal view returns (BN254.G1Point memory) {
+        require(s < 2 ** 9, "scalar-too-large");
+
+        // if s is 1 return p
+        if (s == 1) {
+            return p;
+        }
+
+        // the accumulated product to return
+        BN254.G1Point memory acc = BN254.G1Point(0, 0);
+        // the 2^n*p to add to the accumulated product in each iteration
+        BN254.G1Point memory p2n = p;
+        // value of most significant bit
+        uint16 m = 1;
+        // index of most significant bit
+        uint8 i = 0;
+
+        //loop until we reach the most significant bit
+        while (s >= m) {
+            unchecked {
+                // if the  current bit is 1, add the 2^n*p to the accumulated product
+                if ((s >> i) & 1 == 1) {
+                    acc = plus(acc, p2n);
+                }
+                // double the 2^n*p for the next iteration
+                p2n = plus(p2n, p2n);
+
+                // increment the index and double the value of the most significant bit
+                m <<= 1;
+                ++i;
+            }
+        }
+
+        // return the accumulated product
+        return acc;
+    }
+
+    /**
+     * @return r the product of a point on G1 and a scalar, i.e.
+     *         p == p.scalar_mul(1) and p.plus(p) == p.scalar_mul(2) for all
+     *         points p.
+     */
+    function scalar_mul(G1Point memory p, uint s) internal view returns (G1Point memory r) {
+        uint[3] memory input;
+        input[0] = p.X;
+        input[1] = p.Y;
+        input[2] = s;
+        bool success;
+        // solium-disable-next-line security/no-inline-assembly
+        assembly {
+            success := staticcall(sub(gas(), 2000), 7, input, 0x60, r, 0x40)
+            // Use "invalid" to make gas estimation work
+            switch success
+            case 0 {
+                invalid()
+            }
+        }
+        require(success, "ec-mul-failed");
+    }
+
+    /**
+     *  @return The result of computing the pairing check
+     *         e(p1[0], p2[0]) *  .... * e(p1[n], p2[n]) == 1
+     *         For example,
+     *         pairing([P1(), P1().negate()], [P2(), P2()]) should return true.
+     */
+    function pairing(
+        G1Point memory a1,
+        G2Point memory a2,
+        G1Point memory b1,
+        G2Point memory b2
+    ) internal view returns (bool) {
+        G1Point[2] memory p1 = [a1, b1];
+        G2Point[2] memory p2 = [a2, b2];
+
+        uint[12] memory input;
+
+        for (uint i = 0; i < 2; i++) {
+            uint j = i * 6;
+            input[j + 0] = p1[i].X;
+            input[j + 1] = p1[i].Y;
+            input[j + 2] = p2[i].X[0];
+            input[j + 3] = p2[i].X[1];
+            input[j + 4] = p2[i].Y[0];
+            input[j + 5] = p2[i].Y[1];
+        }
+
+        uint[1] memory out;
+        bool success;
+
+        // solium-disable-next-line security/no-inline-assembly
+        assembly {
+            success := staticcall(sub(gas(), 2000), 8, input, mul(12, 0x20), out, 0x20)
+            // Use "invalid" to make gas estimation work
+            switch success
+            case 0 {
+                invalid()
+            }
+        }
+
+        require(success, "pairing-opcode-failed");
+
+        return out[0] != 0;
+    }
+
+    /**
+     * @notice This function is functionally the same as pairing(), however it specifies a gas limit
+     *         the user can set, as a precompile may use the entire gas budget if it reverts.
+     */
+    function safePairing(
+        G1Point memory a1,
+        G2Point memory a2,
+        G1Point memory b1,
+        G2Point memory b2,
+        uint pairingGas
+    ) internal view returns (bool, bool) {
+        G1Point[2] memory p1 = [a1, b1];
+        G2Point[2] memory p2 = [a2, b2];
+
+        uint[12] memory input;
+
+        for (uint i = 0; i < 2; i++) {
+            uint j = i * 6;
+            input[j + 0] = p1[i].X;
+            input[j + 1] = p1[i].Y;
+            input[j + 2] = p2[i].X[0];
+            input[j + 3] = p2[i].X[1];
+            input[j + 4] = p2[i].Y[0];
+            input[j + 5] = p2[i].Y[1];
+        }
+
+        uint[1] memory out;
+        bool success;
+
+        // solium-disable-next-line security/no-inline-assembly
+        assembly {
+            success := staticcall(pairingGas, 8, input, mul(12, 0x20), out, 0x20)
+        }
+
+        //Out is the output of the pairing precompile, either 0 or 1 based on whether the two pairings are equal.
+        //Success is true if the precompile actually goes through (aka all inputs are valid)
+
+        return (success, out[0] != 0);
+    }
+
+    /// @return hashedG1 the keccak256 hash of the G1 Point
+    /// @dev used for BLS signatures
+    function hashG1Point(BN254.G1Point memory pk) internal pure returns (bytes32 hashedG1) {
+        assembly {
+            mstore(0, mload(pk))
+            mstore(0x20, mload(add(0x20, pk)))
+            hashedG1 := keccak256(0, 0x40)
+        }
+    }
+
+    /// @return the keccak256 hash of the G2 Point
+    /// @dev used for BLS signatures
+    function hashG2Point(BN254.G2Point memory pk) internal pure returns (bytes32) {
+        return keccak256(abi.encodePacked(pk.X[0], pk.X[1], pk.Y[0], pk.Y[1]));
+    }
+
+    /**
+     * @notice adapted from https://github.com/HarryR/solcrypto/blob/master/contracts/altbn128.sol
+     */
+    function hashToG1(bytes32 _x) internal view returns (G1Point memory) {
+        uint beta = 0;
+        uint y = 0;
+
+        uint x = uint(_x) % FP_MODULUS;
+
+        while (true) {
+            (beta, y) = findYFromX(x);
+
+            // y^2 == beta
+            if (beta == mulmod(y, y, FP_MODULUS)) {
+                return G1Point(x, y);
+            }
+
+            x = addmod(x, 1, FP_MODULUS);
+        }
+        return G1Point(0, 0);
+    }
+
+    /**
+     * Given X, find Y
+     *
+     *   where y = sqrt(x^3 + b)
+     *
+     * Returns: (x^3 + b), y
+     */
+    function findYFromX(uint x) internal view returns (uint, uint) {
+        // beta = (x^3 + b) % p
+        uint beta = addmod(mulmod(mulmod(x, x, FP_MODULUS), x, FP_MODULUS), 3, FP_MODULUS);
+
+        // y^2 = x^3 + b
+        // this acts like: y = sqrt(beta) = beta^((p+1) / 4)
+        uint y = expMod(beta, 0xc19139cb84c680a6e14116da060561765e05aa45a1c72a34f082305b61f3f52, FP_MODULUS);
+
+        return (beta, y);
+    }
+
+    function expMod(uint _base, uint _exponent, uint _modulus) internal view returns (uint retval) {
+        bool success;
+        uint[1] memory output;
+        uint[6] memory input;
+        input[0] = 0x20; // baseLen = new(big.Int).SetBytes(getData(input, 0, 32))
+        input[1] = 0x20; // expLen  = new(big.Int).SetBytes(getData(input, 32, 32))
+        input[2] = 0x20; // modLen  = new(big.Int).SetBytes(getData(input, 64, 32))
+        input[3] = _base;
+        input[4] = _exponent;
+        input[5] = _modulus;
+        assembly {
+            success := staticcall(sub(gas(), 2000), 5, input, 0xc0, output, 0x20)
+            // Use "invalid" to make gas estimation work
+            switch success
+            case 0 {
+                invalid()
+            }
+        }
+        require(success, "BN254.expMod: call failure");
+        return output[0];
+    }
+}
+
+
+// File contracts/interface/IDASigners.sol
+
+// Original license: SPDX_License_Identifier: LGPL-3.0-only
+
+pragma solidity >=0.8.0 <0.9.0;
+
+interface IDASigners {
+    /*=== struct ===*/
+    struct SignerDetail {
+        string socket;
+        BN254.G1Point pkG1;
+        BN254.G2Point pkG2;
+    }
+
+    /*=== event ===*/
+    event NewSigner(address indexed signer, BN254.G1Point pkG1, BN254.G2Point pkG2);
+    event SocketUpdated(address indexed signer, string socket);
+
+    /*=== function ===*/
+    function epochNumber() external view returns (uint);
+
+    function getSigners(uint epoch) external view returns (address[] memory accounts, SignerDetail[] memory details);
+
+    function registerSigner(SignerDetail memory _signer, BN254.G1Point memory _signature) external;
+
+    function checkSignatures(
+        BN254.G1Point memory _hash,
+        uint epoch,
+        bytes memory signerBitmap,
+        BN254.G2Point memory _aggPkG2,
+        BN254.G1Point memory _signature
+    ) external view returns (bool);
+}

precompiles/dasigners/dasigners.go

@@ -0,0 +1,108 @@
+package dasigners
+
+import (
+	"fmt"
+	"strings"
+
+	precopmiles_common "github.com/0glabs/0g-chain/precompiles/common"
+	dasignerskeeper "github.com/0glabs/0g-chain/x/dasigners/v1/keeper"
+	"github.com/ethereum/go-ethereum/accounts/abi"
+	"github.com/ethereum/go-ethereum/common"
+	"github.com/ethereum/go-ethereum/core/vm"
+	"github.com/evmos/ethermint/x/evm/statedb"
+)
+
+const (
+	PrecompileAddress        = "0x0000000000000000000000000000000000001000"
+	RequiredGasBasic  uint64 = 100
+
+	DASignersFunctionEpochNumber       = "epochNumber"
+	DASignersFunctionGetSigner         = "getSigner"
+	DASignersFunctionGetSigners        = "getSigners"
+	DASignersFunctionUpdateSocket      = "updateSocket"
+	DASignersFunctionRegisterNextEpoch = "registerNextEpoch"
+	DASignersFunctionRegisterSigner    = "registerSigner"
+	DASignersFunctionGetAggPkG1        = "getAggPkG1"
+)
+
+var _ vm.PrecompiledContract = &DASignersPrecompile{}
+
+type DASignersPrecompile struct {
+	abi             abi.ABI
+	dasignersKeeper dasignerskeeper.Keeper
+}
+
+func NewDASignersPrecompile(dasignersKeeper dasignerskeeper.Keeper) (*DASignersPrecompile, error) {
+	abi, err := abi.JSON(strings.NewReader(DASignersABI))
+	if err != nil {
+		return nil, err
+	}
+	return &DASignersPrecompile{
+		abi:             abi,
+		dasignersKeeper: dasignersKeeper,
+	}, nil
+}
+
+// Address implements vm.PrecompiledContract.
+func (d *DASignersPrecompile) Address() common.Address {
+	return common.HexToAddress(PrecompileAddress)
+}
+
+// RequiredGas implements vm.PrecompiledContract.
+func (d *DASignersPrecompile) RequiredGas(input []byte) uint64 {
+	return RequiredGasBasic
+}
+
+// Run implements vm.PrecompiledContract.
+func (d *DASignersPrecompile) Run(evm *vm.EVM, contract *vm.Contract, readonly bool) ([]byte, error) {
+	// parse input
+	if len(contract.Input) < 4 {
+		return nil, vm.ErrExecutionReverted
+	}
+	method, err := d.abi.MethodById(contract.Input[:4])
+	if err != nil {
+		return nil, vm.ErrExecutionReverted
+	}
+	args, err := method.Inputs.Unpack(contract.Input[4:])
+	if err != nil {
+		return nil, err
+	}
+	// get state db and context
+	stateDB, ok := evm.StateDB.(*statedb.StateDB)
+	if !ok {
+		return nil, fmt.Errorf(precopmiles_common.ErrGetStateDB)
+	}
+	ctx := stateDB.GetContext()
+	initialGas := ctx.GasMeter().GasConsumed()
+
+	var bz []byte
+	switch method.Name {
+	// queries
+	case DASignersFunctionEpochNumber:
+		bz, err = d.EpochNumber(ctx, evm, method, args)
+	case DASignersFunctionGetSigner:
+		bz, err = d.GetSigner(ctx, evm, method, args)
+	case DASignersFunctionGetSigners:
+		bz, err = d.GetSigners(ctx, evm, method, args)
+	case DASignersFunctionGetAggPkG1:
+		bz, err = d.GetAggPkG1(ctx, evm, method, args)
+	// txs
+	case DASignersFunctionRegisterSigner:
+		bz, err = d.RegisterSigner(ctx, evm, stateDB, method, args)
+	case DASignersFunctionRegisterNextEpoch:
+		bz, err = d.RegisterNextEpoch(ctx, evm, stateDB, method, args)
+	case DASignersFunctionUpdateSocket:
+		bz, err = d.UpdateSocket(ctx, evm, stateDB, method, args)
+	}
+
+	if err != nil {
+		return nil, err
+	}
+
+	cost := ctx.GasMeter().GasConsumed() - initialGas
+
+	if !contract.UseGas(cost) {
+		return nil, vm.ErrOutOfGas
+	}
+	return bz, nil
+}

precompiles/dasigners/errors.go

@@ -0,0 +1,5 @@
+package dasigners
+
+const (
+	ErrInvalidSender = "sender address %s is not the same as signer address %s"
+)

precompiles/dasigners/events.go

@@ -0,0 +1,58 @@
+package dasigners
+
+import (
+	sdk "github.com/cosmos/cosmos-sdk/types"
+	"github.com/ethereum/go-ethereum/accounts/abi"
+	"github.com/ethereum/go-ethereum/common"
+	"github.com/ethereum/go-ethereum/core/types"
+	"github.com/evmos/ethermint/x/evm/statedb"
+)
+
+const (
+	NewSignerEvent     = "NewSigner"
+	SocketUpdatedEvent = "SocketUpdated"
+)
+
+func (d *DASignersPrecompile) EmitNewSignerEvent(ctx sdk.Context, stateDB *statedb.StateDB, signer IDASignersSignerDetail) error {
+	event := d.abi.Events[NewSignerEvent]
+	quries := make([]interface{}, 2)
+	quries[0] = event.ID
+	quries[1] = signer.Signer
+	topics, err := abi.MakeTopics(quries)
+	if err != nil {
+		return err
+	}
+	b, err := event.Inputs.Pack(signer.Signer, signer.PkG1, signer.PkG2)
+	if err != nil {
+		return err
+	}
+	stateDB.AddLog(&types.Log{
+		Address:     d.Address(),
+		Topics:      topics[0],
+		Data:        b,
+		BlockNumber: uint64(ctx.BlockHeight()),
+	})
+	return d.EmitSocketUpdatedEvent(ctx, stateDB, signer.Signer, signer.Socket)
+}
+
+func (d *DASignersPrecompile) EmitSocketUpdatedEvent(ctx sdk.Context, stateDB *statedb.StateDB, signer common.Address, socket string) error {
+	event := d.abi.Events[SocketUpdatedEvent]
+	quries := make([]interface{}, 2)
+	quries[0] = event.ID
+	quries[1] = signer
+	topics, err := abi.MakeTopics(quries)
+	if err != nil {
+		return err
+	}
+	b, err := event.Inputs.Pack(signer, socket)
+	if err != nil {
+		return err
+	}
+	stateDB.AddLog(&types.Log{
+		Address:     d.Address(),
+		Topics:      topics[0],
+		Data:        b,
+		BlockNumber: uint64(ctx.BlockHeight()),
+	})
+	return nil
+}

precompiles/dasigners/query.go

@@ -0,0 +1,57 @@
+package dasigners
+
+import (
+	"math/big"
+
+	sdk "github.com/cosmos/cosmos-sdk/types"
+	"github.com/ethereum/go-ethereum/accounts/abi"
+	"github.com/ethereum/go-ethereum/core/vm"
+)
+
+func (d *DASignersPrecompile) EpochNumber(ctx sdk.Context, _ *vm.EVM, method *abi.Method, _ []interface{}) ([]byte, error) {
+	epochNumber, err := d.dasignersKeeper.GetEpochNumber(ctx)
+	if err != nil {
+		return nil, err
+	}
+	return method.Outputs.Pack(big.NewInt(int64(epochNumber)))
+}
+
+func (d *DASignersPrecompile) GetSigner(ctx sdk.Context, _ *vm.EVM, method *abi.Method, args []interface{}) ([]byte, error) {
+	req, err := NewQuerySignerRequest(args)
+	if err != nil {
+		return nil, err
+	}
+	response, err := d.dasignersKeeper.Signer(sdk.WrapSDKContext(ctx), req)
+	if err != nil {
+		return nil, err
+	}
+	return method.Outputs.Pack(NewIDASignersSignerDetail(response.Signer))
+}
+
+func (d *DASignersPrecompile) GetSigners(ctx sdk.Context, _ *vm.EVM, method *abi.Method, args []interface{}) ([]byte, error) {
+	req, err := NewQueryEpochSignerSetRequest(args)
+	if err != nil {
+		return nil, err
+	}
+	response, err := d.dasignersKeeper.EpochSignerSet(sdk.WrapSDKContext(ctx), req)
+	if err != nil {
+		return nil, err
+	}
+	signers := make([]IDASignersSignerDetail, 0)
+	for _, signer := range response.Signers {
+		signers = append(signers, NewIDASignersSignerDetail(signer))
+	}
+	return method.Outputs.Pack(signers)
+}
+
+func (d *DASignersPrecompile) GetAggPkG1(ctx sdk.Context, _ *vm.EVM, method *abi.Method, args []interface{}) ([]byte, error) {
+	req, err := NewQueryAggregatePubkeyG1Request(args)
+	if err != nil {
+		return nil, err
+	}
+	response, err := d.dasignersKeeper.AggregatePubkeyG1(sdk.WrapSDKContext(ctx), req)
+	if err != nil {
+		return nil, err
+	}
+	return method.Outputs.Pack(NewBN254G1Point(response.AggregatePubkeyG1))
+}

precompiles/dasigners/tx.go

@@ -0,0 +1,64 @@
+package dasigners
+
+import (
+	"fmt"
+
+	sdk "github.com/cosmos/cosmos-sdk/types"
+	"github.com/ethereum/go-ethereum/accounts/abi"
+	"github.com/ethereum/go-ethereum/core/vm"
+	"github.com/evmos/ethermint/x/evm/statedb"
+)
+
+func (d *DASignersPrecompile) RegisterSigner(ctx sdk.Context, evm *vm.EVM, stateDB *statedb.StateDB, method *abi.Method, args []interface{}) ([]byte, error) {
+	msg, err := NewMsgRegisterSigner(args)
+	if err != nil {
+		return nil, err
+	}
+	// validation
+	sender := ToLowerHexWithoutPrefix(evm.Origin)
+	if sender != msg.Signer.Account {
+		return nil, fmt.Errorf(ErrInvalidSender, sender, msg.Signer.Account)
+	}
+	// execute
+	_, err = d.dasignersKeeper.RegisterSigner(sdk.WrapSDKContext(ctx), msg)
+	if err != nil {
+		return nil, err
+	}
+	// emit events
+	err = d.EmitNewSignerEvent(ctx, stateDB, args[0].(IDASignersSignerDetail))
+	if err != nil {
+		return nil, err
+	}
+	return method.Outputs.Pack()
+}
+
+func (d *DASignersPrecompile) RegisterNextEpoch(ctx sdk.Context, evm *vm.EVM, stateDB *statedb.StateDB, method *abi.Method, args []interface{}) ([]byte, error) {
+	msg, err := NewMsgRegisterNextEpoch(args, ToLowerHexWithoutPrefix(evm.Origin))
+	if err != nil {
+		return nil, err
+	}
+	// execute
+	_, err = d.dasignersKeeper.RegisterNextEpoch(sdk.WrapSDKContext(ctx), msg)
+	if err != nil {
+		return nil, err
+	}
+	return method.Outputs.Pack()
+}
+
+func (d *DASignersPrecompile) UpdateSocket(ctx sdk.Context, evm *vm.EVM, stateDB *statedb.StateDB, method *abi.Method, args []interface{}) ([]byte, error) {
+	msg, err := NewMsgUpdateSocket(args, ToLowerHexWithoutPrefix(evm.Origin))
+	if err != nil {
+		return nil, err
+	}
+	// execute
+	_, err = d.dasignersKeeper.UpdateSocket(sdk.WrapSDKContext(ctx), msg)
+	if err != nil {
+		return nil, err
+	}
+	// emit events
+	err = d.EmitSocketUpdatedEvent(ctx, stateDB, evm.Origin, args[0].(string))
+	if err != nil {
+		return nil, err
+	}
+	return method.Outputs.Pack()
+}

precompiles/dasigners/types.go

@@ -0,0 +1,130 @@
+package dasigners
+
+import (
+	"fmt"
+	"math/big"
+	"strings"
+
+	precopmiles_common "github.com/0glabs/0g-chain/precompiles/common"
+	dasignerstypes "github.com/0glabs/0g-chain/x/dasigners/v1/types"
+	"github.com/ethereum/go-ethereum/common"
+)
+
+func NewBN254G1Point(b []byte) BN254G1Point {
+	return BN254G1Point{
+		X: new(big.Int).SetBytes(b[:32]),
+		Y: new(big.Int).SetBytes(b[32:64]),
+	}
+}
+
+func (p BN254G1Point) Serialize() []byte {
+	b := make([]byte, 0)
+	b = append(b, common.LeftPadBytes(p.X.Bytes(), 32)...)
+	b = append(b, common.LeftPadBytes(p.Y.Bytes(), 32)...)
+	return b
+}
+
+func NewBN254G2Point(b []byte) BN254G2Point {
+	return BN254G2Point{
+		X: [2]*big.Int{
+			new(big.Int).SetBytes(b[:32]),
+			new(big.Int).SetBytes(b[32:64]),
+		},
+		Y: [2]*big.Int{
+			new(big.Int).SetBytes(b[64:96]),
+			new(big.Int).SetBytes(b[96:128]),
+		},
+	}
+}
+
+func (p BN254G2Point) Serialize() []byte {
+	b := make([]byte, 0)
+	b = append(b, common.LeftPadBytes(p.X[0].Bytes(), 32)...)
+	b = append(b, common.LeftPadBytes(p.X[1].Bytes(), 32)...)
+	b = append(b, common.LeftPadBytes(p.Y[0].Bytes(), 32)...)
+	b = append(b, common.LeftPadBytes(p.Y[1].Bytes(), 32)...)
+	return b
+}
+
+func NewQuerySignerRequest(args []interface{}) (*dasignerstypes.QuerySignerRequest, error) {
+	if len(args) != 1 {
+		return nil, fmt.Errorf(precopmiles_common.ErrInvalidNumberOfArgs, 1, len(args))
+	}
+
+	return &dasignerstypes.QuerySignerRequest{
+		Account: args[0].(string),
+	}, nil
+}
+
+func NewQueryEpochSignerSetRequest(args []interface{}) (*dasignerstypes.QueryEpochSignerSetRequest, error) {
+	if len(args) != 1 {
+		return nil, fmt.Errorf(precopmiles_common.ErrInvalidNumberOfArgs, 1, len(args))
+	}
+
+	return &dasignerstypes.QueryEpochSignerSetRequest{
+		EpochNumber: args[0].(*big.Int).Uint64(),
+	}, nil
+}
+
+func NewQueryAggregatePubkeyG1Request(args []interface{}) (*dasignerstypes.QueryAggregatePubkeyG1Request, error) {
+	if len(args) != 2 {
+		return nil, fmt.Errorf(precopmiles_common.ErrInvalidNumberOfArgs, 2, len(args))
+	}
+
+	return &dasignerstypes.QueryAggregatePubkeyG1Request{
+		EpochNumber:   args[0].(*big.Int).Uint64(),
+		SignersBitmap: args[1].([]byte),
+	}, nil
+}
+
+func NewIDASignersSignerDetail(signer *dasignerstypes.Signer) IDASignersSignerDetail {
+	return IDASignersSignerDetail{
+		Signer: common.HexToAddress(signer.Account),
+		Socket: signer.Socket,
+		PkG1:   NewBN254G1Point(signer.PubkeyG1),
+		PkG2:   NewBN254G2Point(signer.PubkeyG2),
+	}
+}
+
+func ToLowerHexWithoutPrefix(addr common.Address) string {
+	return strings.ToLower(addr.Hex()[2:])
+}
+
+func NewMsgRegisterSigner(args []interface{}) (*dasignerstypes.MsgRegisterSigner, error) {
+	if len(args) != 2 {
+		return nil, fmt.Errorf(precopmiles_common.ErrInvalidNumberOfArgs, 2, len(args))
+	}
+
+	signer := args[0].(IDASignersSignerDetail)
+	return &dasignerstypes.MsgRegisterSigner{
+		Signer: &dasignerstypes.Signer{
+			Account:  ToLowerHexWithoutPrefix(signer.Signer),
+			Socket:   signer.Socket,
+			PubkeyG1: signer.PkG1.Serialize(),
+			PubkeyG2: signer.PkG2.Serialize(),
+		},
+		Signature: args[1].(BN254G1Point).Serialize(),
+	}, nil
+}
+
+func NewMsgRegisterNextEpoch(args []interface{}, account string) (*dasignerstypes.MsgRegisterNextEpoch, error) {
+	if len(args) != 1 {
+		return nil, fmt.Errorf(precopmiles_common.ErrInvalidNumberOfArgs, 1, len(args))
+	}
+
+	return &dasignerstypes.MsgRegisterNextEpoch{
+		Account:   account,
+		Signature: args[0].(BN254G1Point).Serialize(),
+	}, nil
+}
+
+func NewMsgUpdateSocket(args []interface{}, account string) (*dasignerstypes.MsgUpdateSocket, error) {
+	if len(args) != 1 {
+		return nil, fmt.Errorf(precopmiles_common.ErrInvalidNumberOfArgs, 1, len(args))
+	}
+
+	return &dasignerstypes.MsgUpdateSocket{
+		Account: account,
+		Socket:  args[0].(string),
+	}, nil
+}

proto/zgc/council/v1/genesis.proto

@@ -28,7 +28,7 @@ message Council {
   uint64 voting_start_height = 2;
   uint64 start_height = 3;
   uint64 end_height = 4;
-  repeated Vote votes = 5 [(gogoproto.nullable) = false];  
+  repeated Vote votes = 5 [(gogoproto.nullable) = false];
   repeated bytes members = 6 [
     (cosmos_proto.scalar) = "cosmos.AddressBytes",
     (gogoproto.casttype) = "github.com/cosmos/cosmos-sdk/types.ValAddress"

proto/zgc/council/v1/tx.proto

@@ -11,21 +11,21 @@ option (gogoproto.goproto_getters_all) = false;
 
 // Msg defines the council Msg service
 service Msg {
-    rpc Register(MsgRegister) returns (MsgRegisterResponse);
-    rpc Vote(MsgVote) returns (MsgVoteResponse);
+  rpc Register(MsgRegister) returns (MsgRegisterResponse);
+  rpc Vote(MsgVote) returns (MsgVoteResponse);
 }
 
 message MsgRegister {
-    string voter = 1;
-    bytes key = 2;
+  string voter = 1;
+  bytes key = 2;
 }
 
 message MsgRegisterResponse {}
 
 message MsgVote {
-    uint64 council_id = 1 [(gogoproto.customname) = "CouncilID"];
-    string voter = 2;
-    repeated Ballot ballots = 3;
+  uint64 council_id = 1 [(gogoproto.customname) = "CouncilID"];
+  string voter = 2;
+  repeated Ballot ballots = 3;
 }
 
 message MsgVoteResponse {}

proto/zgc/dasigners/v1/dasigners.proto

@@ -0,0 +1,25 @@
+syntax = "proto3";
+package zgc.dasigners.v1;
+
+import "cosmos_proto/cosmos.proto";
+import "gogoproto/gogo.proto";
+import "google/protobuf/any.proto";
+import "google/protobuf/duration.proto";
+
+option go_package = "github.com/0glabs/0g-chain/x/dasigners/v1/types";
+option (gogoproto.goproto_getters_all) = false;
+
+message Signer {
+  // account defines the hex address of signer without 0x
+  string account = 1;
+  // socket defines the da node socket address
+  string socket = 2;
+  // pubkey_g1 defines the public key on bn254 G1
+  bytes pubkey_g1 = 3;
+  // pubkey_g1 defines the public key on bn254 G2
+  bytes pubkey_g2 = 4;
+}
+
+message EpochSignerSet {
+  repeated string signers = 1;
+}

proto/zgc/dasigners/v1/genesis.proto

@@ -0,0 +1,29 @@
+syntax = "proto3";
+package zgc.dasigners.v1;
+
+import "cosmos_proto/cosmos.proto";
+import "gogoproto/gogo.proto";
+import "google/protobuf/any.proto";
+import "google/protobuf/timestamp.proto";
+import "zgc/dasigners/v1/dasigners.proto";
+
+option go_package = "github.com/0glabs/0g-chain/x/dasigners/v1/types";
+
+message Params {
+  uint64 quorum_size = 1;
+  string tokens_per_vote = 2;
+  uint64 max_votes = 3;
+  uint64 epoch_blocks = 4;
+}
+
+// GenesisState defines the dasigners module's genesis state.
+message GenesisState {
+  // params defines all the parameters of related to deposit.
+  Params params = 1 [(gogoproto.nullable) = false];
+  // params epoch_number the epoch number
+  uint64 epoch_number = 2;
+  // signers defines all signers information
+  repeated Signer signers = 3;
+  // signers_by_epoch defines chosen signers by epoch
+  repeated EpochSignerSet signers_by_epoch = 4;
+}

proto/zgc/dasigners/v1/query.proto

@@ -0,0 +1,59 @@
+syntax = "proto3";
+package zgc.dasigners.v1;
+
+import "cosmos_proto/cosmos.proto";
+import "gogoproto/gogo.proto";
+import "google/api/annotations.proto";
+import "google/protobuf/any.proto";
+import "google/protobuf/timestamp.proto";
+import "zgc/dasigners/v1/dasigners.proto";
+
+option go_package = "github.com/0glabs/0g-chain/x/dasigners/v1/types";
+option (gogoproto.goproto_getters_all) = false;
+
+// Query defines the gRPC querier service for the dasigners module
+service Query {
+  rpc EpochNumber(QueryEpochNumberRequest) returns (QueryEpochNumberResponse) {
+    option (google.api.http).get = "/0gchain/dasigners/v1/epoch-number";
+  }
+  rpc EpochSignerSet(QueryEpochSignerSetRequest) returns (QueryEpochSignerSetResponse) {
+    option (google.api.http).get = "/0gchain/dasigners/v1/epoch-signer-set";
+  }
+  rpc AggregatePubkeyG1(QueryAggregatePubkeyG1Request) returns (QueryAggregatePubkeyG1Response) {
+    option (google.api.http).get = "/0gchain/dasigners/v1/aggregate-pubkey-g1";
+  }
+  rpc Signer(QuerySignerRequest) returns (QuerySignerResponse) {
+    option (google.api.http).get = "/0gchain/dasigners/v1/signer";
+  }
+}
+
+message QuerySignerRequest {
+  string account = 1;
+}
+
+message QuerySignerResponse {
+  Signer signer = 1;
+}
+
+message QueryEpochNumberRequest {}
+
+message QueryEpochNumberResponse {
+  uint64 epoch_number = 1;
+}
+
+message QueryEpochSignerSetRequest {
+  uint64 epoch_number = 1;
+}
+
+message QueryEpochSignerSetResponse {
+  repeated Signer signers = 1;
+}
+
+message QueryAggregatePubkeyG1Request {
+  uint64 epoch_number = 1;
+  bytes signersBitmap = 2;
+}
+
+message QueryAggregatePubkeyG1Response {
+  bytes aggregate_pubkey_g1 = 1;
+}

proto/zgc/dasigners/v1/tx.proto

@@ -0,0 +1,39 @@
+syntax = "proto3";
+package zgc.dasigners.v1;
+
+import "cosmos_proto/cosmos.proto";
+import "gogoproto/gogo.proto";
+import "google/protobuf/any.proto";
+import "zgc/das/v1/genesis.proto";
+import "zgc/dasigners/v1/dasigners.proto";
+
+option go_package = "github.com/0glabs/0g-chain/x/dasigners/v1/types";
+option (gogoproto.goproto_getters_all) = false;
+
+// Msg defines the dasigners Msg service
+service Msg {
+  rpc RegisterSigner(MsgRegisterSigner) returns (MsgRegisterSignerResponse);
+  rpc UpdateSocket(MsgUpdateSocket) returns (MsgUpdateSocketResponse);
+  rpc RegisterNextEpoch(MsgRegisterNextEpoch) returns (MsgRegisterNextEpochResponse);
+}
+
+message MsgRegisterSigner {
+  Signer signer = 1;
+  bytes signature = 2;
+}
+
+message MsgRegisterSignerResponse {}
+
+message MsgUpdateSocket {
+  string account = 1;
+  string socket = 2;
+}
+
+message MsgUpdateSocketResponse {}
+
+message MsgRegisterNextEpoch {
+  string account = 1;
+  bytes signature = 2;
+}
+
+message MsgRegisterNextEpochResponse {}

tests/e2e/runner/kvtool.go

@@ -13,7 +13,7 @@ type KvtoolRunnerConfig struct {
 	ImageTag   string
 	IncludeIBC bool
 
-	EnableAutomatedUpgrade  bool
+	EnableAutomatedUpgrade     bool
 	ZgChainUpgradeName         string
 	ZgChainUpgradeHeight       int64
 	ZgChainUpgradeBaseImageTag string

tests/e2e/testutil/account.go

@@ -140,8 +140,8 @@ func (chain *Chain) AddNewSigningAccountFromPrivKey(
 		evmResChan: evmResChan,
 
 		zgChainSigner: zgChainSigner,
-		sdkReqChan: sdkReqChan,
-		sdkResChan: sdkResChan,
+		sdkReqChan:    sdkReqChan,
+		sdkResChan:    sdkResChan,
 
 		EvmAuth: evmSigner.Auth,
 

x/dasigners/v1/client/cli/query.go

@@ -0,0 +1,57 @@
+package cli
+
+import (
+	"context"
+	"fmt"
+
+	"github.com/spf13/cobra"
+
+	"github.com/0glabs/0g-chain/x/dasigners/v1/types"
+	"github.com/cosmos/cosmos-sdk/client"
+	"github.com/cosmos/cosmos-sdk/client/flags"
+)
+
+// GetQueryCmd returns the cli query commands for the inflation module.
+func GetQueryCmd() *cobra.Command {
+	cmd := &cobra.Command{
+		Use:                        types.ModuleName,
+		Short:                      "Querying commands for the dasigners module",
+		DisableFlagParsing:         true,
+		SuggestionsMinimumDistance: 2,
+		RunE:                       client.ValidateCmd,
+	}
+
+	cmd.AddCommand(
+		GetEpochNumber(),
+	)
+
+	return cmd
+}
+
+func GetEpochNumber() *cobra.Command {
+	cmd := &cobra.Command{
+		Use:   "epoch-number",
+		Short: "Query current epoch number",
+		Args:  cobra.NoArgs,
+		RunE: func(cmd *cobra.Command, _ []string) error {
+			clientCtx, err := client.GetClientQueryContext(cmd)
+			if err != nil {
+				return err
+			}
+
+			queryClient := types.NewQueryClient(clientCtx)
+
+			params := &types.QueryEpochNumberRequest{}
+			res, err := queryClient.EpochNumber(context.Background(), params)
+			if err != nil {
+				return err
+			}
+
+			return clientCtx.PrintString(fmt.Sprintf("%v\n", res.EpochNumber))
+		},
+	}
+
+	flags.AddQueryFlagsToCmd(cmd)
+
+	return cmd
+}

x/dasigners/v1/client/cli/tx.go

@@ -0,0 +1,22 @@
+package cli
+
+import (
+	"fmt"
+
+	"github.com/0glabs/0g-chain/x/das/v1/types"
+	"github.com/cosmos/cosmos-sdk/client"
+	"github.com/spf13/cobra"
+)
+
+// GetTxCmd returns the transaction commands for this module
+func GetTxCmd() *cobra.Command {
+	cmd := &cobra.Command{
+		Use:                        types.ModuleName,
+		Short:                      fmt.Sprintf("%s transactions subcommands", types.ModuleName),
+		DisableFlagParsing:         true,
+		SuggestionsMinimumDistance: 2,
+		RunE:                       client.ValidateCmd,
+	}
+	cmd.AddCommand()
+	return cmd
+}

x/dasigners/v1/genesis.go

@@ -0,0 +1,50 @@
+package dasigners
+
+import (
+	"fmt"
+
+	sdk "github.com/cosmos/cosmos-sdk/types"
+
+	"github.com/0glabs/0g-chain/x/dasigners/v1/keeper"
+	"github.com/0glabs/0g-chain/x/dasigners/v1/types"
+)
+
+// InitGenesis initializes the store state from a genesis state.
+func InitGenesis(ctx sdk.Context, keeper keeper.Keeper, gs types.GenesisState) {
+	if err := gs.Validate(); err != nil {
+		panic(fmt.Sprintf("failed to validate %s genesis state: %s", types.ModuleName, err))
+	}
+	keeper.SetEpochNumber(ctx, gs.EpochNumber)
+	for _, signer := range gs.Signers {
+		if err := keeper.SetSigner(ctx, *signer); err != nil {
+			panic(fmt.Sprintf("failed to write genesis state into store: %s", err))
+		}
+	}
+	for epoch, signers := range gs.SignersByEpoch {
+		keeper.SetEpochSignerSet(ctx, uint64(epoch), *signers)
+	}
+	keeper.SetParams(ctx, gs.Params)
+}
+
+// ExportGenesis returns a GenesisState for a given context and keeper.
+func ExportGenesis(ctx sdk.Context, keeper keeper.Keeper) *types.GenesisState {
+	params := keeper.GetParams(ctx)
+	epochNumber, err := keeper.GetEpochNumber(ctx)
+	if err != nil {
+		panic(err)
+	}
+	signers := make([]*types.Signer, 0)
+	keeper.IterateSigners(ctx, func(_ int64, signer types.Signer) (stop bool) {
+		signers = append(signers, &signer)
+		return false
+	})
+	epochSignerSets := make([]*types.EpochSignerSet, 0)
+	for i := 0; i < int(epochNumber); i += 1 {
+		epochSignerSet, found := keeper.GetEpochSignerSet(ctx, uint64(i))
+		if !found {
+			panic("historical epoch signer set not found")
+		}
+		epochSignerSets = append(epochSignerSets, &epochSignerSet)
+	}
+	return types.NewGenesisState(params, epochNumber, signers, epochSignerSets)
+}

x/dasigners/v1/keeper/abci.go

@@ -0,0 +1,88 @@
+package keeper
+
+import (
+	"bytes"
+	"math/big"
+	"sort"
+
+	"github.com/0glabs/0g-chain/x/dasigners/v1/types"
+	sdk "github.com/cosmos/cosmos-sdk/types"
+	"github.com/ethereum/go-ethereum/crypto"
+	abci "github.com/tendermint/tendermint/abci/types"
+)
+
+type Ballot struct {
+	account string
+	content []byte
+}
+
+func (k Keeper) BeginBlock(ctx sdk.Context, _ abci.RequestBeginBlock) {
+	epochNumber, err := k.GetEpochNumber(ctx)
+	if err != nil {
+		k.Logger(ctx).Error("[BeginBlock] cannot get epoch number")
+		panic(err)
+	}
+	params := k.GetParams(ctx)
+	expectedEpoch := uint64(ctx.BlockHeight()) / params.EpochBlocks
+	if expectedEpoch == epochNumber {
+		return
+	}
+	if expectedEpoch > epochNumber+1 || expectedEpoch < epochNumber {
+		panic("block height is not continuous")
+	}
+	// new epoch
+	registrations := []Ballot{}
+	k.IterateRegistrations(ctx, expectedEpoch, func(account string, signature []byte) (stop bool) {
+		registrations = append(registrations, Ballot{
+			account: account,
+			content: signature,
+		})
+		return false
+	})
+	ballots := []Ballot{}
+	tokensPerVote, ok := sdk.NewIntFromString(params.TokensPerVote)
+	if !ok {
+		panic("failed to load params tokens_per_vote")
+	}
+	for _, registration := range registrations {
+		// get validator
+		valAddr, err := sdk.ValAddressFromHex(registration.account)
+		if err != nil {
+			k.Logger(ctx).Error("[BeginBlock] invalid account")
+			continue
+		}
+		validator, found := k.stakingKeeper.GetValidator(ctx, valAddr)
+		if !found {
+			continue
+		}
+		num := validator.Tokens.Quo(sdk.NewInt(1_000_000_000_000_000_000)).Quo(tokensPerVote).Abs().BigInt()
+		if num.Cmp(big.NewInt(int64(params.MaxVotes))) > 0 {
+			num = big.NewInt(int64(params.MaxVotes))
+		}
+		content := registration.content
+		ballotNum := num.Int64()
+		for j := 0; j < int(ballotNum); j += 1 {
+			ballots = append(ballots, Ballot{
+				account: registration.account,
+				content: content,
+			})
+			content = crypto.Keccak256(content)
+		}
+	}
+	sort.Slice(ballots, func(i, j int) bool {
+		return bytes.Compare(ballots[i].content, ballots[j].content) < 0
+	})
+	chosen := make(map[string]struct{})
+	epochSignerSet := types.EpochSignerSet{
+		Signers: make([]string, 0),
+	}
+	for _, ballot := range ballots {
+		if _, ok := chosen[ballot.account]; !ok {
+			chosen[ballot.account] = struct{}{}
+			epochSignerSet.Signers = append(epochSignerSet.Signers, ballot.account)
+		}
+	}
+	// save to store
+	k.SetEpochSignerSet(ctx, expectedEpoch, epochSignerSet)
+	k.SetEpochNumber(ctx, expectedEpoch)
+}

x/dasigners/v1/keeper/grpc_query.go

@@ -0,0 +1,88 @@
+package keeper
+
+import (
+	"context"
+
+	"github.com/0glabs/0g-chain/crypto/bn254util"
+	"github.com/0glabs/0g-chain/x/dasigners/v1/types"
+	"github.com/consensys/gnark-crypto/ecc/bn254"
+	sdk "github.com/cosmos/cosmos-sdk/types"
+)
+
+var _ types.QueryServer = Keeper{}
+
+func (k Keeper) Signer(
+	c context.Context,
+	req *types.QuerySignerRequest,
+) (*types.QuerySignerResponse, error) {
+	ctx := sdk.UnwrapSDKContext(c)
+	signer, found, err := k.GetSigner(ctx, req.Account)
+	if err != nil {
+		return nil, err
+	}
+	if !found {
+		return nil, nil
+	}
+	return &types.QuerySignerResponse{Signer: &signer}, nil
+}
+
+func (k Keeper) EpochNumber(
+	c context.Context,
+	_ *types.QueryEpochNumberRequest,
+) (*types.QueryEpochNumberResponse, error) {
+	ctx := sdk.UnwrapSDKContext(c)
+	epochNumber, err := k.GetEpochNumber(ctx)
+	if err != nil {
+		return nil, err
+	}
+	return &types.QueryEpochNumberResponse{EpochNumber: epochNumber}, nil
+}
+
+func (k Keeper) EpochSignerSet(c context.Context, request *types.QueryEpochSignerSetRequest) (*types.QueryEpochSignerSetResponse, error) {
+	ctx := sdk.UnwrapSDKContext(c)
+	epochSignerSet := make([]*types.Signer, 0)
+	signers, found := k.GetEpochSignerSet(ctx, request.EpochNumber)
+	if !found {
+		return &types.QueryEpochSignerSetResponse{Signers: epochSignerSet}, nil
+	}
+	for _, account := range signers.Signers {
+		signer, found, err := k.GetSigner(ctx, account)
+		if err != nil {
+			return nil, err
+		}
+		if !found {
+			return nil, types.ErrSignerNotFound
+		}
+		epochSignerSet = append(epochSignerSet, &signer)
+	}
+	return &types.QueryEpochSignerSetResponse{Signers: epochSignerSet}, nil
+}
+
+func (k Keeper) AggregatePubkeyG1(c context.Context, request *types.QueryAggregatePubkeyG1Request) (*types.QueryAggregatePubkeyG1Response, error) {
+	ctx := sdk.UnwrapSDKContext(c)
+	signers, found := k.GetEpochSignerSet(ctx, request.EpochNumber)
+	if !found {
+		return nil, types.ErrEpochSignerSetNotFound
+	}
+	if len(request.SignersBitmap) != (len(signers.Signers)+7)/8 {
+		return nil, types.ErrSignerLengthNotMatch
+	}
+	aggPubkeyG1 := new(bn254.G1Affine)
+	for i, account := range signers.Signers {
+		b := request.SignersBitmap[i/8] & (1 << (i % 8))
+		if b == 0 {
+			continue
+		}
+		signer, found, err := k.GetSigner(ctx, account)
+		if err != nil {
+			return nil, err
+		}
+		if !found {
+			return nil, types.ErrSignerNotFound
+		}
+		aggPubkeyG1.Add(aggPubkeyG1, bn254util.DeserializeG1(signer.PubkeyG1))
+	}
+	return &types.QueryAggregatePubkeyG1Response{
+		AggregatePubkeyG1: bn254util.SerializeG1(aggPubkeyG1),
+	}, nil
+}

x/dasigners/v1/keeper/keeper.go

@@ -0,0 +1,181 @@
+package keeper
+
+import (
+	"encoding/hex"
+
+	"github.com/cosmos/cosmos-sdk/codec"
+	"github.com/cosmos/cosmos-sdk/store/prefix"
+	storetypes "github.com/cosmos/cosmos-sdk/store/types"
+	sdk "github.com/cosmos/cosmos-sdk/types"
+	"github.com/tendermint/tendermint/libs/log"
+
+	"github.com/0glabs/0g-chain/x/dasigners/v1/types"
+)
+
+type Keeper struct {
+	storeKey      storetypes.StoreKey
+	cdc           codec.BinaryCodec
+	stakingKeeper types.StakingKeeper
+}
+
+// NewKeeper creates a new das Keeper instance
+func NewKeeper(
+	storeKey storetypes.StoreKey,
+	cdc codec.BinaryCodec,
+	stakingKeeper types.StakingKeeper,
+) Keeper {
+	return Keeper{
+		storeKey:      storeKey,
+		cdc:           cdc,
+		stakingKeeper: stakingKeeper,
+	}
+}
+
+// Logger returns a module-specific logger.
+func (k Keeper) Logger(ctx sdk.Context) log.Logger {
+	return ctx.Logger().With("module", "x/"+types.ModuleName)
+}
+
+func (k Keeper) GetParams(ctx sdk.Context) types.Params {
+	store := ctx.KVStore(k.storeKey)
+	bz := store.Get(types.ParamsKey)
+	var params types.Params
+	k.cdc.MustUnmarshal(bz, &params)
+	return params
+}
+
+func (k Keeper) SetParams(ctx sdk.Context, params types.Params) {
+	store := ctx.KVStore(k.storeKey)
+	bz := k.cdc.MustMarshal(&params)
+	store.Set(types.ParamsKey, bz)
+}
+
+func (k Keeper) GetEpochNumber(ctx sdk.Context) (uint64, error) {
+	store := ctx.KVStore(k.storeKey)
+	bz := store.Get(types.EpochNumberKey)
+	if bz == nil {
+		return 0, types.ErrEpochNumberNotSet
+	}
+	return sdk.BigEndianToUint64(bz), nil
+}
+
+func (k Keeper) SetEpochNumber(ctx sdk.Context, epoch uint64) {
+	store := ctx.KVStore(k.storeKey)
+	store.Set(types.EpochNumberKey, sdk.Uint64ToBigEndian(epoch))
+}
+
+func (k Keeper) GetSigner(ctx sdk.Context, account string) (types.Signer, bool, error) {
+	store := prefix.NewStore(ctx.KVStore(k.storeKey), types.SignerKeyPrefix)
+	key, err := types.GetSignerKeyFromAccount(account)
+	if err != nil {
+		return types.Signer{}, false, err
+	}
+	bz := store.Get(key)
+	if bz == nil {
+		return types.Signer{}, false, nil
+	}
+	var signer types.Signer
+	k.cdc.MustUnmarshal(bz, &signer)
+	return signer, true, nil
+}
+
+func (k Keeper) SetSigner(ctx sdk.Context, signer types.Signer) error {
+	store := prefix.NewStore(ctx.KVStore(k.storeKey), types.SignerKeyPrefix)
+	bz := k.cdc.MustMarshal(&signer)
+	key, err := types.GetSignerKeyFromAccount(signer.Account)
+	if err != nil {
+		return err
+	}
+	store.Set(key, bz)
+
+	ctx.EventManager().EmitEvent(
+		sdk.NewEvent(
+			types.EventTypeUpdateSigner,
+			sdk.NewAttribute(types.AttributeKeySigner, signer.Account),
+			sdk.NewAttribute(types.AttributeKeySocket, signer.Socket),
+			sdk.NewAttribute(types.AttributeKeyPublicKeyG1, hex.EncodeToString(signer.PubkeyG1)),
+			sdk.NewAttribute(types.AttributeKeyPublicKeyG2, hex.EncodeToString(signer.PubkeyG2)),
+		),
+	)
+	return nil
+}
+
+// iterate through the signers set and perform the provided function
+func (k Keeper) IterateSigners(ctx sdk.Context, fn func(index int64, signer types.Signer) (stop bool)) {
+	store := ctx.KVStore(k.storeKey)
+
+	iterator := sdk.KVStorePrefixIterator(store, types.SignerKeyPrefix)
+	defer iterator.Close()
+
+	i := int64(0)
+
+	for ; iterator.Valid(); iterator.Next() {
+		var signer types.Signer
+		k.cdc.MustUnmarshal(iterator.Value(), &signer)
+		stop := fn(i, signer)
+
+		if stop {
+			break
+		}
+		i++
+	}
+}
+
+func (k Keeper) GetEpochSignerSet(ctx sdk.Context, epoch uint64) (types.EpochSignerSet, bool) {
+	store := prefix.NewStore(ctx.KVStore(k.storeKey), types.SignerKeyPrefix)
+	bz := store.Get(types.GetEpochSignerSetKeyFromEpoch(epoch))
+	if bz == nil {
+		return types.EpochSignerSet{}, false
+	}
+	var signers types.EpochSignerSet
+	k.cdc.MustUnmarshal(bz, &signers)
+	return signers, true
+}
+
+func (k Keeper) SetEpochSignerSet(ctx sdk.Context, epoch uint64, signers types.EpochSignerSet) {
+	store := prefix.NewStore(ctx.KVStore(k.storeKey), types.EpochSignerSetKeyPrefix)
+	bz := k.cdc.MustMarshal(&signers)
+	store.Set(types.GetEpochSignerSetKeyFromEpoch(epoch), bz)
+}
+
+func (k Keeper) GetRegistration(ctx sdk.Context, epoch uint64, account string) ([]byte, bool, error) {
+	store := prefix.NewStore(ctx.KVStore(k.storeKey), types.GetEpochRegistrationKeyPrefix(epoch))
+	key, err := types.GetRegistrationKey(account)
+	if err != nil {
+		return nil, false, err
+	}
+	signature := store.Get(key)
+	if signature == nil {
+		return nil, false, nil
+	}
+	return signature, true, nil
+}
+
+// iterate through the registrations set and perform the provided function
+func (k Keeper) IterateRegistrations(ctx sdk.Context, epoch uint64, fn func(account string, signature []byte) (stop bool)) {
+	store := ctx.KVStore(k.storeKey)
+
+	iterator := sdk.KVStorePrefixIterator(store, types.GetEpochRegistrationKeyPrefix(epoch))
+	defer iterator.Close()
+
+	i := int64(0)
+
+	for ; iterator.Valid(); iterator.Next() {
+		stop := fn(hex.EncodeToString(iterator.Key()), iterator.Value())
+
+		if stop {
+			break
+		}
+		i++
+	}
+}
+
+func (k Keeper) SetRegistration(ctx sdk.Context, epoch uint64, account string, signature []byte) error {
+	store := prefix.NewStore(ctx.KVStore(k.storeKey), types.GetEpochRegistrationKeyPrefix(epoch))
+	key, err := types.GetRegistrationKey(account)
+	if err != nil {
+		return err
+	}
+	store.Set(key, signature)
+	return nil
+}

x/dasigners/v1/keeper/msg_server.go

@@ -0,0 +1,92 @@
+package keeper
+
+import (
+	"context"
+
+	"github.com/0glabs/0g-chain/crypto/bn254util"
+	"github.com/0glabs/0g-chain/x/dasigners/v1/types"
+	sdk "github.com/cosmos/cosmos-sdk/types"
+	stakingtypes "github.com/cosmos/cosmos-sdk/x/staking/types"
+	"github.com/ethereum/go-ethereum/common"
+	etherminttypes "github.com/evmos/ethermint/types"
+)
+
+var _ types.MsgServer = &Keeper{}
+
+func (k Keeper) RegisterSigner(goCtx context.Context, msg *types.MsgRegisterSigner) (*types.MsgRegisterSignerResponse, error) {
+	ctx := sdk.UnwrapSDKContext(goCtx)
+	// validate sender
+	valAddr, err := sdk.ValAddressFromHex(msg.Signer.Account)
+	if err != nil {
+		return nil, err
+	}
+	_, found := k.stakingKeeper.GetValidator(ctx, valAddr)
+	if !found {
+		return nil, stakingtypes.ErrNoValidatorFound
+	}
+	_, found, err = k.GetSigner(ctx, msg.Signer.Account)
+	if err != nil {
+		return nil, err
+	}
+	if found {
+		return nil, types.ErrSignerExists
+	}
+	// validate signature
+	chainID, err := etherminttypes.ParseChainID(ctx.ChainID())
+	if err != nil {
+		return nil, err
+	}
+	hash := types.PubkeyRegistrationHash(common.HexToAddress(msg.Signer.Account), chainID)
+	if !msg.Signer.ValidateSignature(hash, bn254util.DeserializeG1(msg.Signature)) {
+		return nil, types.ErrInvalidSignature
+	}
+	// save signer
+	if err := k.SetSigner(ctx, *msg.Signer); err != nil {
+		return nil, err
+	}
+	return &types.MsgRegisterSignerResponse{}, nil
+}
+
+func (k Keeper) UpdateSocket(goCtx context.Context, msg *types.MsgUpdateSocket) (*types.MsgUpdateSocketResponse, error) {
+	ctx := sdk.UnwrapSDKContext(goCtx)
+	signer, found, err := k.GetSigner(ctx, msg.Account)
+	if err != nil {
+		return nil, err
+	}
+	if !found {
+		return nil, types.ErrSignerNotFound
+	}
+	signer.Socket = msg.Socket
+	if err := k.SetSigner(ctx, signer); err != nil {
+		return nil, err
+	}
+	return &types.MsgUpdateSocketResponse{}, nil
+}
+
+func (k Keeper) RegisterNextEpoch(goCtx context.Context, msg *types.MsgRegisterNextEpoch) (*types.MsgRegisterNextEpochResponse, error) {
+	ctx := sdk.UnwrapSDKContext(goCtx)
+	// get signer
+	signer, found, err := k.GetSigner(ctx, msg.Account)
+	if err != nil {
+		return nil, err
+	}
+	if !found {
+		return nil, types.ErrSignerNotFound
+	}
+	// validate signature
+	epochNumber, err := k.GetEpochNumber(ctx)
+	if err != nil {
+		return nil, err
+	}
+	chainID, err := etherminttypes.ParseChainID(ctx.ChainID())
+	if err != nil {
+		return nil, err
+	}
+	hash := types.EpochRegistrationHash(common.HexToAddress(msg.Account), epochNumber+1, chainID)
+	if !signer.ValidateSignature(hash, bn254util.DeserializeG1(msg.Signature)) {
+		return nil, types.ErrInvalidSignature
+	}
+	// save registration
+	k.SetRegistration(ctx, epochNumber+1, msg.Account, msg.Signature)
+	return &types.MsgRegisterNextEpochResponse{}, nil
+}

x/dasigners/v1/module.go

@@ -0,0 +1,181 @@
+package dasigners
+
+import (
+	"context"
+	"encoding/json"
+	"fmt"
+
+	"github.com/cosmos/cosmos-sdk/client"
+	"github.com/cosmos/cosmos-sdk/codec"
+	codectypes "github.com/cosmos/cosmos-sdk/codec/types"
+	sdk "github.com/cosmos/cosmos-sdk/types"
+	"github.com/cosmos/cosmos-sdk/types/module"
+	simtypes "github.com/cosmos/cosmos-sdk/types/simulation"
+	stakingkeeper "github.com/cosmos/cosmos-sdk/x/staking/keeper"
+	"github.com/gorilla/mux"
+	"github.com/grpc-ecosystem/grpc-gateway/runtime"
+	"github.com/spf13/cobra"
+	abci "github.com/tendermint/tendermint/abci/types"
+
+	"github.com/0glabs/0g-chain/x/dasigners/v1/client/cli"
+	"github.com/0glabs/0g-chain/x/dasigners/v1/keeper"
+	"github.com/0glabs/0g-chain/x/dasigners/v1/types"
+)
+
+// consensusVersion defines the current x/council module consensus version.
+const consensusVersion = 1
+
+// type check to ensure the interface is properly implemented
+var (
+	_ module.AppModule      = AppModule{}
+	_ module.AppModuleBasic = AppModuleBasic{}
+)
+
+// app module Basics object
+type AppModuleBasic struct{}
+
+// Name returns the inflation module's name.
+func (AppModuleBasic) Name() string {
+	return types.ModuleName
+}
+
+// RegisterLegacyAminoCodec registers the inflation module's types on the given LegacyAmino codec.
+func (AppModuleBasic) RegisterLegacyAminoCodec(cdc *codec.LegacyAmino) {}
+
+// ConsensusVersion returns the consensus state-breaking version for the module.
+func (AppModuleBasic) ConsensusVersion() uint64 {
+	return consensusVersion
+}
+
+// RegisterInterfaces registers interfaces and implementations of the incentives
+// module.
+func (AppModuleBasic) RegisterInterfaces(interfaceRegistry codectypes.InterfaceRegistry) {
+	types.RegisterInterfaces(interfaceRegistry)
+}
+
+// DefaultGenesis returns default genesis state as raw bytes for the incentives
+// module.
+func (AppModuleBasic) DefaultGenesis(cdc codec.JSONCodec) json.RawMessage {
+	return cdc.MustMarshalJSON(types.DefaultGenesisState())
+}
+
+// ValidateGenesis performs genesis state validation for the inflation module.
+func (b AppModuleBasic) ValidateGenesis(cdc codec.JSONCodec, _ client.TxEncodingConfig, bz json.RawMessage) error {
+	var genesisState types.GenesisState
+	if err := cdc.UnmarshalJSON(bz, &genesisState); err != nil {
+		return fmt.Errorf("failed to unmarshal %s genesis state: %w", types.ModuleName, err)
+	}
+
+	return genesisState.Validate()
+}
+
+// RegisterRESTRoutes performs a no-op as the inflation module doesn't expose REST
+// endpoints
+func (AppModuleBasic) RegisterRESTRoutes(_ client.Context, _ *mux.Router) {}
+
+// RegisterGRPCGatewayRoutes registers the gRPC Gateway routes for the inflation module.
+func (b AppModuleBasic) RegisterGRPCGatewayRoutes(c client.Context, serveMux *runtime.ServeMux) {
+	if err := types.RegisterQueryHandlerClient(context.Background(), serveMux, types.NewQueryClient(c)); err != nil {
+		panic(err)
+	}
+}
+
+// GetTxCmd returns the root tx command for the inflation module.
+func (AppModuleBasic) GetTxCmd() *cobra.Command {
+	return cli.GetTxCmd()
+}
+
+// GetQueryCmd returns no root query command for the inflation module.
+func (AppModuleBasic) GetQueryCmd() *cobra.Command {
+	return cli.GetQueryCmd()
+}
+
+// ___________________________________________________________________________
+
+// AppModule implements an application module for the inflation module.
+type AppModule struct {
+	AppModuleBasic
+	keeper keeper.Keeper
+	sk     stakingkeeper.Keeper
+}
+
+// NewAppModule creates a new AppModule Object
+func NewAppModule(
+	k keeper.Keeper,
+	sk stakingkeeper.Keeper,
+) AppModule {
+	return AppModule{
+		AppModuleBasic: AppModuleBasic{},
+		keeper:         k,
+		sk:             sk,
+	}
+}
+
+// Name returns the inflation module's name.
+func (AppModule) Name() string {
+	return types.ModuleName
+}
+
+// Route returns dasigners module's message route.
+func (am AppModule) Route() sdk.Route { return sdk.Route{} }
+
+// QuerierRoute returns dasigners module's query routing key.
+func (AppModule) QuerierRoute() string { return types.QuerierRoute }
+
+// LegacyQuerierHandler returns dasigners module's Querier.
+func (am AppModule) LegacyQuerierHandler(legacyQuerierCdc *codec.LegacyAmino) sdk.Querier {
+	return nil
+}
+
+// RegisterInvariants registers the inflation module invariants.
+func (am AppModule) RegisterInvariants(_ sdk.InvariantRegistry) {}
+
+// RegisterServices registers a gRPC query service to respond to the
+// module-specific gRPC queries.
+func (am AppModule) RegisterServices(cfg module.Configurator) {
+	types.RegisterMsgServer(cfg.MsgServer(), am.keeper)
+	types.RegisterQueryServer(cfg.QueryServer(), am.keeper)
+}
+
+func (am AppModule) BeginBlock(ctx sdk.Context, req abci.RequestBeginBlock) {
+	am.keeper.BeginBlock(ctx, req)
+}
+
+func (am AppModule) EndBlock(ctx sdk.Context, req abci.RequestEndBlock) []abci.ValidatorUpdate {
+	// am.keeper.EndBlock(ctx, req)
+	return []abci.ValidatorUpdate{}
+}
+
+// InitGenesis performs genesis initialization for the inflation module. It returns
+// no validator updates.
+func (am AppModule) InitGenesis(ctx sdk.Context, cdc codec.JSONCodec, data json.RawMessage) []abci.ValidatorUpdate {
+	var genesisState types.GenesisState
+
+	cdc.MustUnmarshalJSON(data, &genesisState)
+	InitGenesis(ctx, am.keeper, genesisState)
+	return []abci.ValidatorUpdate{}
+}
+
+// ExportGenesis returns the exported genesis state as raw bytes for the inflation
+// module.
+func (am AppModule) ExportGenesis(ctx sdk.Context, cdc codec.JSONCodec) json.RawMessage {
+	gs := ExportGenesis(ctx, am.keeper)
+	return cdc.MustMarshalJSON(gs)
+}
+
+// ___________________________________________________________________________
+
+// AppModuleSimulation functions
+
+// GenerateGenesisState creates a randomized GenState of the inflation module.
+func (am AppModule) GenerateGenesisState(_ *module.SimulationState) {
+}
+
+// RegisterStoreDecoder registers a decoder for inflation module's types.
+func (am AppModule) RegisterStoreDecoder(_ sdk.StoreDecoderRegistry) {
+}
+
+// WeightedOperations doesn't return any inflation module operation.
+func (am AppModule) WeightedOperations(_ module.SimulationState) []simtypes.WeightedOperation {
+	return []simtypes.WeightedOperation{}
+}

x/dasigners/v1/types/codec.go

@@ -0,0 +1,44 @@
+package types
+
+import (
+	"github.com/cosmos/cosmos-sdk/codec"
+	codectypes "github.com/cosmos/cosmos-sdk/codec/types"
+	sdk "github.com/cosmos/cosmos-sdk/types"
+	"github.com/cosmos/cosmos-sdk/types/msgservice"
+)
+
+var (
+	amino = codec.NewLegacyAmino()
+	// ModuleCdc references the global evm module codec. Note, the codec should
+	// ONLY be used in certain instances of tests and for JSON encoding.
+	ModuleCdc = codec.NewProtoCodec(codectypes.NewInterfaceRegistry())
+
+	// AminoCdc is a amino codec created to support amino JSON compatible msgs.
+	AminoCdc = codec.NewAminoCodec(amino)
+)
+
+const (
+// Amino names
+)
+
+// NOTE: This is required for the GetSignBytes function
+func init() {
+	RegisterLegacyAminoCodec(amino)
+	amino.Seal()
+}
+
+// RegisterInterfaces register implementations
+func RegisterInterfaces(registry codectypes.InterfaceRegistry) {
+	registry.RegisterImplementations(
+		(*sdk.Msg)(nil),
+		&MsgRegisterSigner{},
+		&MsgUpdateSocket{},
+		&MsgRegisterNextEpoch{},
+	)
+
+	msgservice.RegisterMsgServiceDesc(registry, &_Msg_serviceDesc)
+}
+
+// RegisterLegacyAminoCodec required for EIP-712
+func RegisterLegacyAminoCodec(cdc *codec.LegacyAmino) {
+}

x/dasigners/v1/types/dasigners.pb.go

@@ -0,0 +1,626 @@
+// Code generated by protoc-gen-gogo. DO NOT EDIT.
+// source: zgc/dasigners/v1/dasigners.proto
+
+package types
+
+import (
+	fmt "fmt"
+	_ "github.com/cosmos/cosmos-proto"
+	_ "github.com/cosmos/cosmos-sdk/codec/types"
+	_ "github.com/gogo/protobuf/gogoproto"
+	proto "github.com/gogo/protobuf/proto"
+	_ "google.golang.org/protobuf/types/known/durationpb"
+	io "io"
+	math "math"
+	math_bits "math/bits"
+)
+
+// Reference imports to suppress errors if they are not otherwise used.
+var _ = proto.Marshal
+var _ = fmt.Errorf
+var _ = math.Inf
+
+// This is a compile-time assertion to ensure that this generated file
+// is compatible with the proto package it is being compiled against.
+// A compilation error at this line likely means your copy of the
+// proto package needs to be updated.
+const _ = proto.GoGoProtoPackageIsVersion3 // please upgrade the proto package
+
+type Signer struct {
+	// account defines the hex address of signer without 0x
+	Account string `protobuf:"bytes,1,opt,name=account,proto3" json:"account,omitempty"`
+	// socket defines the da node socket address
+	Socket string `protobuf:"bytes,2,opt,name=socket,proto3" json:"socket,omitempty"`
+	// pubkey_g1 defines the public key on bn254 G1
+	PubkeyG1 []byte `protobuf:"bytes,3,opt,name=pubkey_g1,json=pubkeyG1,proto3" json:"pubkey_g1,omitempty"`
+	// pubkey_g1 defines the public key on bn254 G2
+	PubkeyG2 []byte `protobuf:"bytes,4,opt,name=pubkey_g2,json=pubkeyG2,proto3" json:"pubkey_g2,omitempty"`
+}
+
+func (m *Signer) Reset()         { *m = Signer{} }
+func (m *Signer) String() string { return proto.CompactTextString(m) }
+func (*Signer) ProtoMessage()    {}
+func (*Signer) Descriptor() ([]byte, []int) {
+	return fileDescriptor_b7328dc8ffac059e, []int{0}
+}
+func (m *Signer) XXX_Unmarshal(b []byte) error {
+	return m.Unmarshal(b)
+}
+func (m *Signer) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
+	if deterministic {
+		return xxx_messageInfo_Signer.Marshal(b, m, deterministic)
+	} else {
+		b = b[:cap(b)]
+		n, err := m.MarshalToSizedBuffer(b)
+		if err != nil {
+			return nil, err
+		}
+		return b[:n], nil
+	}
+}
+func (m *Signer) XXX_Merge(src proto.Message) {
+	xxx_messageInfo_Signer.Merge(m, src)
+}
+func (m *Signer) XXX_Size() int {
+	return m.Size()
+}
+func (m *Signer) XXX_DiscardUnknown() {
+	xxx_messageInfo_Signer.DiscardUnknown(m)
+}
+
+var xxx_messageInfo_Signer proto.InternalMessageInfo
+
+type EpochSignerSet struct {
+	Signers []string `protobuf:"bytes,1,rep,name=signers,proto3" json:"signers,omitempty"`
+}
+
+func (m *EpochSignerSet) Reset()         { *m = EpochSignerSet{} }
+func (m *EpochSignerSet) String() string { return proto.CompactTextString(m) }
+func (*EpochSignerSet) ProtoMessage()    {}
+func (*EpochSignerSet) Descriptor() ([]byte, []int) {
+	return fileDescriptor_b7328dc8ffac059e, []int{1}
+}
+func (m *EpochSignerSet) XXX_Unmarshal(b []byte) error {
+	return m.Unmarshal(b)
+}
+func (m *EpochSignerSet) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
+	if deterministic {
+		return xxx_messageInfo_EpochSignerSet.Marshal(b, m, deterministic)
+	} else {
+		b = b[:cap(b)]
+		n, err := m.MarshalToSizedBuffer(b)
+		if err != nil {
+			return nil, err
+		}
+		return b[:n], nil
+	}
+}
+func (m *EpochSignerSet) XXX_Merge(src proto.Message) {
+	xxx_messageInfo_EpochSignerSet.Merge(m, src)
+}
+func (m *EpochSignerSet) XXX_Size() int {
+	return m.Size()
+}
+func (m *EpochSignerSet) XXX_DiscardUnknown() {
+	xxx_messageInfo_EpochSignerSet.DiscardUnknown(m)
+}
+
+var xxx_messageInfo_EpochSignerSet proto.InternalMessageInfo
+
+func init() {
+	proto.RegisterType((*Signer)(nil), "zgc.dasigners.v1.Signer")
+	proto.RegisterType((*EpochSignerSet)(nil), "zgc.dasigners.v1.EpochSignerSet")
+}
+
+func init() { proto.RegisterFile("zgc/dasigners/v1/dasigners.proto", fileDescriptor_b7328dc8ffac059e) }
+
+var fileDescriptor_b7328dc8ffac059e = []byte{
+	// 287 bytes of a gzipped FileDescriptorProto
+	0x1f, 0x8b, 0x08, 0x00, 0x00, 0x00, 0x00, 0x00, 0x02, 0xff, 0x5c, 0x90, 0xc1, 0x4a, 0xc3, 0x30,
+	0x1c, 0xc6, 0x1b, 0x27, 0xd3, 0x05, 0x11, 0x29, 0x22, 0xd9, 0x84, 0x50, 0x76, 0x1a, 0x82, 0xcd,
+	0x3a, 0xdf, 0x40, 0x10, 0x4f, 0x5e, 0xb6, 0x9b, 0x97, 0x91, 0x66, 0x31, 0x2d, 0xdb, 0xfa, 0x2f,
+	0x4d, 0x3a, 0xec, 0x9e, 0xc2, 0xc7, 0xda, 0x71, 0x47, 0x8f, 0xda, 0xbe, 0x88, 0xb4, 0xa9, 0xcc,
+	0x79, 0xcb, 0xef, 0xfb, 0x05, 0x3e, 0xfe, 0x1f, 0xf6, 0xb6, 0x4a, 0xb0, 0x05, 0xd7, 0xb1, 0x4a,
+	0x64, 0xa6, 0xd9, 0x26, 0x38, 0x80, 0x9f, 0x66, 0x60, 0xc0, 0xbd, 0xda, 0x2a, 0xe1, 0x1f, 0xc2,
+	0x4d, 0x30, 0xe8, 0x0b, 0xd0, 0x6b, 0xd0, 0xf3, 0xc6, 0x33, 0x0b, 0xf6, 0xf3, 0xe0, 0x5a, 0x81,
+	0x02, 0x9b, 0xd7, 0xaf, 0x36, 0xed, 0x2b, 0x00, 0xb5, 0x92, 0xac, 0xa1, 0x30, 0x7f, 0x63, 0x3c,
+	0x29, 0x5a, 0x45, 0xff, 0xab, 0x45, 0x9e, 0x71, 0x13, 0x43, 0x62, 0xfd, 0xd0, 0xe0, 0xee, 0xac,
+	0x69, 0x76, 0x09, 0x3e, 0xe3, 0x42, 0x40, 0x9e, 0x18, 0x82, 0x3c, 0x34, 0xea, 0x4d, 0x7f, 0xd1,
+	0xbd, 0xc1, 0x5d, 0x0d, 0x62, 0x29, 0x0d, 0x39, 0x69, 0x44, 0x4b, 0xee, 0x2d, 0xee, 0xa5, 0x79,
+	0xb8, 0x94, 0xc5, 0x5c, 0x05, 0xa4, 0xe3, 0xa1, 0xd1, 0xc5, 0xf4, 0xdc, 0x06, 0xcf, 0xc1, 0x5f,
+	0x39, 0x21, 0xa7, 0x47, 0x72, 0x32, 0xbc, 0xc3, 0x97, 0x4f, 0x29, 0x88, 0xc8, 0x56, 0xcf, 0xa4,
+	0xa9, 0xdb, 0xdb, 0x05, 0x08, 0xf2, 0x3a, 0x75, 0x7b, 0x8b, 0x8f, 0x2f, 0xbb, 0x6f, 0xea, 0xec,
+	0x4a, 0x8a, 0xf6, 0x25, 0x45, 0x5f, 0x25, 0x45, 0x1f, 0x15, 0x75, 0xf6, 0x15, 0x75, 0x3e, 0x2b,
+	0xea, 0xbc, 0x32, 0x15, 0x9b, 0x28, 0x0f, 0x7d, 0x01, 0x6b, 0x36, 0x56, 0x2b, 0x1e, 0x6a, 0x36,
+	0x56, 0xf7, 0x22, 0xe2, 0x71, 0xc2, 0xde, 0x8f, 0x87, 0x37, 0x45, 0x2a, 0x75, 0xd8, 0x6d, 0xee,
+	0x7e, 0xf8, 0x09, 0x00, 0x00, 0xff, 0xff, 0x77, 0x51, 0x09, 0xd9, 0x99, 0x01, 0x00, 0x00,
+}
+
+func (m *Signer) Marshal() (dAtA []byte, err error) {
+	size := m.Size()
+	dAtA = make([]byte, size)
+	n, err := m.MarshalToSizedBuffer(dAtA[:size])
+	if err != nil {
+		return nil, err
+	}
+	return dAtA[:n], nil
+}
+
+func (m *Signer) MarshalTo(dAtA []byte) (int, error) {
+	size := m.Size()
+	return m.MarshalToSizedBuffer(dAtA[:size])
+}
+
+func (m *Signer) MarshalToSizedBuffer(dAtA []byte) (int, error) {
+	i := len(dAtA)
+	_ = i
+	var l int
+	_ = l
+	if len(m.PubkeyG2) > 0 {
+		i -= len(m.PubkeyG2)
+		copy(dAtA[i:], m.PubkeyG2)
+		i = encodeVarintDasigners(dAtA, i, uint64(len(m.PubkeyG2)))
+		i--
+		dAtA[i] = 0x22
+	}
+	if len(m.PubkeyG1) > 0 {
+		i -= len(m.PubkeyG1)
+		copy(dAtA[i:], m.PubkeyG1)
+		i = encodeVarintDasigners(dAtA, i, uint64(len(m.PubkeyG1)))
+		i--
+		dAtA[i] = 0x1a
+	}
+	if len(m.Socket) > 0 {
+		i -= len(m.Socket)
+		copy(dAtA[i:], m.Socket)
+		i = encodeVarintDasigners(dAtA, i, uint64(len(m.Socket)))
+		i--
+		dAtA[i] = 0x12
+	}
+	if len(m.Account) > 0 {
+		i -= len(m.Account)
+		copy(dAtA[i:], m.Account)
+		i = encodeVarintDasigners(dAtA, i, uint64(len(m.Account)))
+		i--
+		dAtA[i] = 0xa
+	}
+	return len(dAtA) - i, nil
+}
+
+func (m *EpochSignerSet) Marshal() (dAtA []byte, err error) {
+	size := m.Size()
+	dAtA = make([]byte, size)
+	n, err := m.MarshalToSizedBuffer(dAtA[:size])
+	if err != nil {
+		return nil, err
+	}
+	return dAtA[:n], nil
+}
+
+func (m *EpochSignerSet) MarshalTo(dAtA []byte) (int, error) {
+	size := m.Size()
+	return m.MarshalToSizedBuffer(dAtA[:size])
+}
+
+func (m *EpochSignerSet) MarshalToSizedBuffer(dAtA []byte) (int, error) {
+	i := len(dAtA)
+	_ = i
+	var l int
+	_ = l
+	if len(m.Signers) > 0 {
+		for iNdEx := len(m.Signers) - 1; iNdEx >= 0; iNdEx-- {
+			i -= len(m.Signers[iNdEx])
+			copy(dAtA[i:], m.Signers[iNdEx])
+			i = encodeVarintDasigners(dAtA, i, uint64(len(m.Signers[iNdEx])))
+			i--
+			dAtA[i] = 0xa
+		}
+	}
+	return len(dAtA) - i, nil
+}
+
+func encodeVarintDasigners(dAtA []byte, offset int, v uint64) int {
+	offset -= sovDasigners(v)
+	base := offset
+	for v >= 1<<7 {
+		dAtA[offset] = uint8(v&0x7f | 0x80)
+		v >>= 7
+		offset++
+	}
+	dAtA[offset] = uint8(v)
+	return base
+}
+func (m *Signer) Size() (n int) {
+	if m == nil {
+		return 0
+	}
+	var l int
+	_ = l
+	l = len(m.Account)
+	if l > 0 {
+		n += 1 + l + sovDasigners(uint64(l))
+	}
+	l = len(m.Socket)
+	if l > 0 {
+		n += 1 + l + sovDasigners(uint64(l))
+	}
+	l = len(m.PubkeyG1)
+	if l > 0 {
+		n += 1 + l + sovDasigners(uint64(l))
+	}
+	l = len(m.PubkeyG2)
+	if l > 0 {
+		n += 1 + l + sovDasigners(uint64(l))
+	}
+	return n
+}
+
+func (m *EpochSignerSet) Size() (n int) {
+	if m == nil {
+		return 0
+	}
+	var l int
+	_ = l
+	if len(m.Signers) > 0 {
+		for _, s := range m.Signers {
+			l = len(s)
+			n += 1 + l + sovDasigners(uint64(l))
+		}
+	}
+	return n
+}
+
+func sovDasigners(x uint64) (n int) {
+	return (math_bits.Len64(x|1) + 6) / 7
+}
+func sozDasigners(x uint64) (n int) {
+	return sovDasigners(uint64((x << 1) ^ uint64((int64(x) >> 63))))
+}
+func (m *Signer) Unmarshal(dAtA []byte) error {
+	l := len(dAtA)
+	iNdEx := 0
+	for iNdEx < l {
+		preIndex := iNdEx
+		var wire uint64
+		for shift := uint(0); ; shift += 7 {
+			if shift >= 64 {
+				return ErrIntOverflowDasigners
+			}
+			if iNdEx >= l {
+				return io.ErrUnexpectedEOF
+			}
+			b := dAtA[iNdEx]
+			iNdEx++
+			wire |= uint64(b&0x7F) << shift
+			if b < 0x80 {
+				break
+			}
+		}
+		fieldNum := int32(wire >> 3)
+		wireType := int(wire & 0x7)
+		if wireType == 4 {
+			return fmt.Errorf("proto: Signer: wiretype end group for non-group")
+		}
+		if fieldNum <= 0 {
+			return fmt.Errorf("proto: Signer: illegal tag %d (wire type %d)", fieldNum, wire)
+		}
+		switch fieldNum {
+		case 1:
+			if wireType != 2 {
+				return fmt.Errorf("proto: wrong wireType = %d for field Account", wireType)
+			}
+			var stringLen uint64
+			for shift := uint(0); ; shift += 7 {
+				if shift >= 64 {
+					return ErrIntOverflowDasigners
+				}
+				if iNdEx >= l {
+					return io.ErrUnexpectedEOF
+				}
+				b := dAtA[iNdEx]
+				iNdEx++
+				stringLen |= uint64(b&0x7F) << shift
+				if b < 0x80 {
+					break
+				}
+			}
+			intStringLen := int(stringLen)
+			if intStringLen < 0 {
+				return ErrInvalidLengthDasigners
+			}
+			postIndex := iNdEx + intStringLen
+			if postIndex < 0 {
+				return ErrInvalidLengthDasigners
+			}
+			if postIndex > l {
+				return io.ErrUnexpectedEOF
+			}
+			m.Account = string(dAtA[iNdEx:postIndex])
+			iNdEx = postIndex
+		case 2:
+			if wireType != 2 {
+				return fmt.Errorf("proto: wrong wireType = %d for field Socket", wireType)
+			}
+			var stringLen uint64
+			for shift := uint(0); ; shift += 7 {
+				if shift >= 64 {
+					return ErrIntOverflowDasigners
+				}
+				if iNdEx >= l {
+					return io.ErrUnexpectedEOF
+				}
+				b := dAtA[iNdEx]
+				iNdEx++
+				stringLen |= uint64(b&0x7F) << shift
+				if b < 0x80 {
+					break
+				}
+			}
+			intStringLen := int(stringLen)
+			if intStringLen < 0 {
+				return ErrInvalidLengthDasigners
+			}
+			postIndex := iNdEx + intStringLen
+			if postIndex < 0 {
+				return ErrInvalidLengthDasigners
+			}
+			if postIndex > l {
+				return io.ErrUnexpectedEOF
+			}
+			m.Socket = string(dAtA[iNdEx:postIndex])
+			iNdEx = postIndex
+		case 3:
+			if wireType != 2 {
+				return fmt.Errorf("proto: wrong wireType = %d for field PubkeyG1", wireType)
+			}
+			var byteLen int
+			for shift := uint(0); ; shift += 7 {
+				if shift >= 64 {
+					return ErrIntOverflowDasigners
+				}
+				if iNdEx >= l {
+					return io.ErrUnexpectedEOF
+				}
+				b := dAtA[iNdEx]
+				iNdEx++
+				byteLen |= int(b&0x7F) << shift
+				if b < 0x80 {
+					break
+				}
+			}
+			if byteLen < 0 {
+				return ErrInvalidLengthDasigners
+			}
+			postIndex := iNdEx + byteLen
+			if postIndex < 0 {
+				return ErrInvalidLengthDasigners
+			}
+			if postIndex > l {
+				return io.ErrUnexpectedEOF
+			}
+			m.PubkeyG1 = append(m.PubkeyG1[:0], dAtA[iNdEx:postIndex]...)
+			if m.PubkeyG1 == nil {
+				m.PubkeyG1 = []byte{}
+			}
+			iNdEx = postIndex
+		case 4:
+			if wireType != 2 {
+				return fmt.Errorf("proto: wrong wireType = %d for field PubkeyG2", wireType)
+			}
+			var byteLen int
+			for shift := uint(0); ; shift += 7 {
+				if shift >= 64 {
+					return ErrIntOverflowDasigners
+				}
+				if iNdEx >= l {
+					return io.ErrUnexpectedEOF
+				}
+				b := dAtA[iNdEx]
+				iNdEx++
+				byteLen |= int(b&0x7F) << shift
+				if b < 0x80 {
+					break
+				}
+			}
+			if byteLen < 0 {
+				return ErrInvalidLengthDasigners
+			}
+			postIndex := iNdEx + byteLen
+			if postIndex < 0 {
+				return ErrInvalidLengthDasigners
+			}
+			if postIndex > l {
+				return io.ErrUnexpectedEOF
+			}
+			m.PubkeyG2 = append(m.PubkeyG2[:0], dAtA[iNdEx:postIndex]...)
+			if m.PubkeyG2 == nil {
+				m.PubkeyG2 = []byte{}
+			}
+			iNdEx = postIndex
+		default:
+			iNdEx = preIndex
+			skippy, err := skipDasigners(dAtA[iNdEx:])
+			if err != nil {
+				return err
+			}
+			if (skippy < 0) || (iNdEx+skippy) < 0 {
+				return ErrInvalidLengthDasigners
+			}
+			if (iNdEx + skippy) > l {
+				return io.ErrUnexpectedEOF
+			}
+			iNdEx += skippy
+		}
+	}
+
+	if iNdEx > l {
+		return io.ErrUnexpectedEOF
+	}
+	return nil
+}
+func (m *EpochSignerSet) Unmarshal(dAtA []byte) error {
+	l := len(dAtA)
+	iNdEx := 0
+	for iNdEx < l {
+		preIndex := iNdEx
+		var wire uint64
+		for shift := uint(0); ; shift += 7 {
+			if shift >= 64 {
+				return ErrIntOverflowDasigners
+			}
+			if iNdEx >= l {
+				return io.ErrUnexpectedEOF
+			}
+			b := dAtA[iNdEx]
+			iNdEx++
+			wire |= uint64(b&0x7F) << shift
+			if b < 0x80 {
+				break
+			}
+		}
+		fieldNum := int32(wire >> 3)
+		wireType := int(wire & 0x7)
+		if wireType == 4 {
+			return fmt.Errorf("proto: EpochSignerSet: wiretype end group for non-group")
+		}
+		if fieldNum <= 0 {
+			return fmt.Errorf("proto: EpochSignerSet: illegal tag %d (wire type %d)", fieldNum, wire)
+		}
+		switch fieldNum {
+		case 1:
+			if wireType != 2 {
+				return fmt.Errorf("proto: wrong wireType = %d for field Signers", wireType)
+			}
+			var stringLen uint64
+			for shift := uint(0); ; shift += 7 {
+				if shift >= 64 {
+					return ErrIntOverflowDasigners
+				}
+				if iNdEx >= l {
+					return io.ErrUnexpectedEOF
+				}
+				b := dAtA[iNdEx]
+				iNdEx++
+				stringLen |= uint64(b&0x7F) << shift
+				if b < 0x80 {
+					break
+				}
+			}
+			intStringLen := int(stringLen)
+			if intStringLen < 0 {
+				return ErrInvalidLengthDasigners
+			}
+			postIndex := iNdEx + intStringLen
+			if postIndex < 0 {
+				return ErrInvalidLengthDasigners
+			}
+			if postIndex > l {
+				return io.ErrUnexpectedEOF
+			}
+			m.Signers = append(m.Signers, string(dAtA[iNdEx:postIndex]))
+			iNdEx = postIndex
+		default:
+			iNdEx = preIndex
+			skippy, err := skipDasigners(dAtA[iNdEx:])
+			if err != nil {
+				return err
+			}
+			if (skippy < 0) || (iNdEx+skippy) < 0 {
+				return ErrInvalidLengthDasigners
+			}
+			if (iNdEx + skippy) > l {
+				return io.ErrUnexpectedEOF
+			}
+			iNdEx += skippy
+		}
+	}
+
+	if iNdEx > l {
+		return io.ErrUnexpectedEOF
+	}
+	return nil
+}
+func skipDasigners(dAtA []byte) (n int, err error) {
+	l := len(dAtA)
+	iNdEx := 0
+	depth := 0
+	for iNdEx < l {
+		var wire uint64
+		for shift := uint(0); ; shift += 7 {
+			if shift >= 64 {
+				return 0, ErrIntOverflowDasigners
+			}
+			if iNdEx >= l {
+				return 0, io.ErrUnexpectedEOF
+			}
+			b := dAtA[iNdEx]
+			iNdEx++
+			wire |= (uint64(b) & 0x7F) << shift
+			if b < 0x80 {
+				break
+			}
+		}
+		wireType := int(wire & 0x7)
+		switch wireType {
+		case 0:
+			for shift := uint(0); ; shift += 7 {
+				if shift >= 64 {
+					return 0, ErrIntOverflowDasigners
+				}
+				if iNdEx >= l {
+					return 0, io.ErrUnexpectedEOF
+				}
+				iNdEx++
+				if dAtA[iNdEx-1] < 0x80 {
+					break
+				}
+			}
+		case 1:
+			iNdEx += 8
+		case 2:
+			var length int
+			for shift := uint(0); ; shift += 7 {
+				if shift >= 64 {
+					return 0, ErrIntOverflowDasigners
+				}
+				if iNdEx >= l {
+					return 0, io.ErrUnexpectedEOF
+				}
+				b := dAtA[iNdEx]
+				iNdEx++
+				length |= (int(b) & 0x7F) << shift
+				if b < 0x80 {
+					break
+				}
+			}
+			if length < 0 {
+				return 0, ErrInvalidLengthDasigners
+			}
+			iNdEx += length
+		case 3:
+			depth++
+		case 4:
+			if depth == 0 {
+				return 0, ErrUnexpectedEndOfGroupDasigners
+			}
+			depth--
+		case 5:
+			iNdEx += 4
+		default:
+			return 0, fmt.Errorf("proto: illegal wireType %d", wireType)
+		}
+		if iNdEx < 0 {
+			return 0, ErrInvalidLengthDasigners
+		}
+		if depth == 0 {
+			return iNdEx, nil
+		}
+	}
+	return 0, io.ErrUnexpectedEOF
+}
+
+var (
+	ErrInvalidLengthDasigners        = fmt.Errorf("proto: negative length found during unmarshaling")
+	ErrIntOverflowDasigners          = fmt.Errorf("proto: integer overflow")
+	ErrUnexpectedEndOfGroupDasigners = fmt.Errorf("proto: unexpected end of group")
+)

x/dasigners/v1/types/errors.go

@@ -0,0 +1,12 @@
+package types
+
+import errorsmod "cosmossdk.io/errors"
+
+var (
+	ErrSignerExists           = errorsmod.Register(ModuleName, 1, "signer exists")
+	ErrEpochNumberNotSet      = errorsmod.Register(ModuleName, 2, "epoch number not set")
+	ErrSignerNotFound         = errorsmod.Register(ModuleName, 3, "signer not found")
+	ErrInvalidSignature       = errorsmod.Register(ModuleName, 4, "invalid signature")
+	ErrEpochSignerSetNotFound = errorsmod.Register(ModuleName, 5, "signer set for epoch not found")
+	ErrSignerLengthNotMatch   = errorsmod.Register(ModuleName, 6, "signer set length not match")
+)

x/dasigners/v1/types/events.go

@@ -0,0 +1,11 @@
+package types
+
+// Module event types
+const (
+	EventTypeUpdateSigner = "update_signer"
+
+	AttributeKeySigner      = "signer"
+	AttributeKeySocket      = "socket"
+	AttributeKeyPublicKeyG1 = "pubkey_g1"
+	AttributeKeyPublicKeyG2 = "pubkey_g2"
+)

x/dasigners/v1/types/genesis.go

@@ -0,0 +1,48 @@
+package types
+
+import "fmt"
+
+// NewGenesisState returns a new genesis state object for the module.
+func NewGenesisState(params Params, epoch uint64, signers []*Signer, signersByEpoch []*EpochSignerSet) *GenesisState {
+	return &GenesisState{
+		Params:         params,
+		EpochNumber:    epoch,
+		Signers:        signers,
+		SignersByEpoch: signersByEpoch,
+	}
+}
+
+// DefaultGenesisState returns the default genesis state for the module.
+func DefaultGenesisState() *GenesisState {
+	return NewGenesisState(Params{
+		QuorumSize:    1024,
+		TokensPerVote: "1000",
+		MaxVotes:      100,
+		EpochBlocks:   5,
+	}, 0, make([]*Signer, 0), make([]*EpochSignerSet, 0))
+}
+
+// Validate performs basic validation of genesis data.
+func (gs GenesisState) Validate() error {
+	registered := make(map[string]struct{})
+	for _, signer := range gs.Signers {
+		if err := signer.Validate(); err != nil {
+			return err
+		}
+		registered[signer.Account] = struct{}{}
+	}
+	if len(gs.SignersByEpoch) != int(gs.EpochNumber) {
+		return fmt.Errorf("epoch history missing")
+	}
+	for _, signers := range gs.SignersByEpoch {
+		for _, signer := range signers.Signers {
+			if err := ValidateHexAddress(signer); err != nil {
+				return err
+			}
+			if _, ok := registered[signer]; !ok {
+				return fmt.Errorf("historical signer detail missing")
+			}
+		}
+	}
+	return nil
+}

x/dasigners/v1/types/genesis.pb.go

@@ -0,0 +1,775 @@
+// Code generated by protoc-gen-gogo. DO NOT EDIT.
+// source: zgc/dasigners/v1/genesis.proto
+
+package types
+
+import (
+	fmt "fmt"
+	_ "github.com/cosmos/cosmos-proto"
+	_ "github.com/cosmos/cosmos-sdk/codec/types"
+	_ "github.com/gogo/protobuf/gogoproto"
+	proto "github.com/gogo/protobuf/proto"
+	_ "google.golang.org/protobuf/types/known/timestamppb"
+	io "io"
+	math "math"
+	math_bits "math/bits"
+)
+
+// Reference imports to suppress errors if they are not otherwise used.
+var _ = proto.Marshal
+var _ = fmt.Errorf
+var _ = math.Inf
+
+// This is a compile-time assertion to ensure that this generated file
+// is compatible with the proto package it is being compiled against.
+// A compilation error at this line likely means your copy of the
+// proto package needs to be updated.
+const _ = proto.GoGoProtoPackageIsVersion3 // please upgrade the proto package
+
+type Params struct {
+	QuorumSize    uint64 `protobuf:"varint,1,opt,name=quorum_size,json=quorumSize,proto3" json:"quorum_size,omitempty"`
+	TokensPerVote string `protobuf:"bytes,2,opt,name=tokens_per_vote,json=tokensPerVote,proto3" json:"tokens_per_vote,omitempty"`
+	MaxVotes      uint64 `protobuf:"varint,3,opt,name=max_votes,json=maxVotes,proto3" json:"max_votes,omitempty"`
+	EpochBlocks   uint64 `protobuf:"varint,4,opt,name=epoch_blocks,json=epochBlocks,proto3" json:"epoch_blocks,omitempty"`
+}
+
+func (m *Params) Reset()         { *m = Params{} }
+func (m *Params) String() string { return proto.CompactTextString(m) }
+func (*Params) ProtoMessage()    {}
+func (*Params) Descriptor() ([]byte, []int) {
+	return fileDescriptor_896efa766aaca3be, []int{0}
+}
+func (m *Params) XXX_Unmarshal(b []byte) error {
+	return m.Unmarshal(b)
+}
+func (m *Params) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
+	if deterministic {
+		return xxx_messageInfo_Params.Marshal(b, m, deterministic)
+	} else {
+		b = b[:cap(b)]
+		n, err := m.MarshalToSizedBuffer(b)
+		if err != nil {
+			return nil, err
+		}
+		return b[:n], nil
+	}
+}
+func (m *Params) XXX_Merge(src proto.Message) {
+	xxx_messageInfo_Params.Merge(m, src)
+}
+func (m *Params) XXX_Size() int {
+	return m.Size()
+}
+func (m *Params) XXX_DiscardUnknown() {
+	xxx_messageInfo_Params.DiscardUnknown(m)
+}
+
+var xxx_messageInfo_Params proto.InternalMessageInfo
+
+func (m *Params) GetQuorumSize() uint64 {
+	if m != nil {
+		return m.QuorumSize
+	}
+	return 0
+}
+
+func (m *Params) GetTokensPerVote() string {
+	if m != nil {
+		return m.TokensPerVote
+	}
+	return ""
+}
+
+func (m *Params) GetMaxVotes() uint64 {
+	if m != nil {
+		return m.MaxVotes
+	}
+	return 0
+}
+
+func (m *Params) GetEpochBlocks() uint64 {
+	if m != nil {
+		return m.EpochBlocks
+	}
+	return 0
+}
+
+// GenesisState defines the dasigners module's genesis state.
+type GenesisState struct {
+	// params defines all the parameters of related to deposit.
+	Params Params `protobuf:"bytes,1,opt,name=params,proto3" json:"params"`
+	// params epoch_number the epoch number
+	EpochNumber uint64 `protobuf:"varint,2,opt,name=epoch_number,json=epochNumber,proto3" json:"epoch_number,omitempty"`
+	// signers defines all signers information
+	Signers []*Signer `protobuf:"bytes,3,rep,name=signers,proto3" json:"signers,omitempty"`
+	// signers_by_epoch defines chosen signers by epoch
+	SignersByEpoch []*EpochSignerSet `protobuf:"bytes,4,rep,name=signers_by_epoch,json=signersByEpoch,proto3" json:"signers_by_epoch,omitempty"`
+}
+
+func (m *GenesisState) Reset()         { *m = GenesisState{} }
+func (m *GenesisState) String() string { return proto.CompactTextString(m) }
+func (*GenesisState) ProtoMessage()    {}
+func (*GenesisState) Descriptor() ([]byte, []int) {
+	return fileDescriptor_896efa766aaca3be, []int{1}
+}
+func (m *GenesisState) XXX_Unmarshal(b []byte) error {
+	return m.Unmarshal(b)
+}
+func (m *GenesisState) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
+	if deterministic {
+		return xxx_messageInfo_GenesisState.Marshal(b, m, deterministic)
+	} else {
+		b = b[:cap(b)]
+		n, err := m.MarshalToSizedBuffer(b)
+		if err != nil {
+			return nil, err
+		}
+		return b[:n], nil
+	}
+}
+func (m *GenesisState) XXX_Merge(src proto.Message) {
+	xxx_messageInfo_GenesisState.Merge(m, src)
+}
+func (m *GenesisState) XXX_Size() int {
+	return m.Size()
+}
+func (m *GenesisState) XXX_DiscardUnknown() {
+	xxx_messageInfo_GenesisState.DiscardUnknown(m)
+}
+
+var xxx_messageInfo_GenesisState proto.InternalMessageInfo
+
+func (m *GenesisState) GetParams() Params {
+	if m != nil {
+		return m.Params
+	}
+	return Params{}
+}
+
+func (m *GenesisState) GetEpochNumber() uint64 {
+	if m != nil {
+		return m.EpochNumber
+	}
+	return 0
+}
+
+func (m *GenesisState) GetSigners() []*Signer {
+	if m != nil {
+		return m.Signers
+	}
+	return nil
+}
+
+func (m *GenesisState) GetSignersByEpoch() []*EpochSignerSet {
+	if m != nil {
+		return m.SignersByEpoch
+	}
+	return nil
+}
+
+func init() {
+	proto.RegisterType((*Params)(nil), "zgc.dasigners.v1.Params")
+	proto.RegisterType((*GenesisState)(nil), "zgc.dasigners.v1.GenesisState")
+}
+
+func init() { proto.RegisterFile("zgc/dasigners/v1/genesis.proto", fileDescriptor_896efa766aaca3be) }
+
+var fileDescriptor_896efa766aaca3be = []byte{
+	// 415 bytes of a gzipped FileDescriptorProto
+	0x1f, 0x8b, 0x08, 0x00, 0x00, 0x00, 0x00, 0x00, 0x02, 0xff, 0x6c, 0x91, 0xc1, 0x6e, 0xd3, 0x30,
+	0x1c, 0xc6, 0x6b, 0x1a, 0x15, 0xe6, 0x0e, 0x98, 0x2c, 0x0e, 0xd9, 0x90, 0xd2, 0xb0, 0x03, 0xda,
+	0x85, 0x78, 0x1b, 0x12, 0x0f, 0x10, 0x09, 0x21, 0x38, 0xa0, 0x29, 0x91, 0x38, 0x70, 0x89, 0x9c,
+	0xf0, 0xc7, 0x8d, 0x56, 0xc7, 0x21, 0x76, 0xaa, 0x26, 0x4f, 0x01, 0x6f, 0xb5, 0xe3, 0x8e, 0x9c,
+	0x10, 0x6a, 0x4f, 0xbc, 0x05, 0xea, 0xdf, 0x19, 0x13, 0xeb, 0x6e, 0x7f, 0x7f, 0xbf, 0xcf, 0x9f,
+	0x3f, 0xdb, 0x34, 0xe8, 0x65, 0xc1, 0xbf, 0x08, 0x53, 0xca, 0x0a, 0x1a, 0xc3, 0x97, 0x67, 0x5c,
+	0x42, 0x05, 0xa6, 0x34, 0x51, 0xdd, 0x68, 0xab, 0xd9, 0x41, 0x2f, 0x8b, 0xe8, 0x1f, 0x8f, 0x96,
+	0x67, 0x47, 0x87, 0x85, 0x36, 0x4a, 0x9b, 0x0c, 0x39, 0x77, 0x0b, 0x67, 0x3e, 0x7a, 0x26, 0xb5,
+	0xd4, 0x4e, 0xdf, 0x4e, 0x83, 0x7a, 0x28, 0xb5, 0x96, 0x0b, 0xe0, 0xb8, 0xca, 0xdb, 0xaf, 0x5c,
+	0x54, 0xdd, 0x80, 0x66, 0x77, 0x91, 0x2d, 0x15, 0x18, 0x2b, 0x54, 0x3d, 0x18, 0xc2, 0x9d, 0x7a,
+	0xb7, 0x5d, 0xd0, 0x71, 0xfc, 0x83, 0xd0, 0xc9, 0x85, 0x68, 0x84, 0x32, 0x6c, 0x46, 0xa7, 0xdf,
+	0x5a, 0xdd, 0xb4, 0x2a, 0x33, 0x65, 0x0f, 0x3e, 0x09, 0xc9, 0x89, 0x97, 0x50, 0x27, 0xa5, 0x65,
+	0x0f, 0xec, 0x25, 0x7d, 0x6a, 0xf5, 0x25, 0x54, 0x26, 0xab, 0xa1, 0xc9, 0x96, 0xda, 0x82, 0xff,
+	0x20, 0x24, 0x27, 0x7b, 0xc9, 0x63, 0x27, 0x5f, 0x40, 0xf3, 0x49, 0x5b, 0x60, 0xcf, 0xe9, 0x9e,
+	0x12, 0x2b, 0x34, 0x18, 0x7f, 0x8c, 0x31, 0x8f, 0x94, 0x58, 0x6d, 0x99, 0x61, 0x2f, 0xe8, 0x3e,
+	0xd4, 0xba, 0x98, 0x67, 0xf9, 0x42, 0x17, 0x97, 0xc6, 0xf7, 0x90, 0x4f, 0x51, 0x8b, 0x51, 0x3a,
+	0xfe, 0x43, 0xe8, 0xfe, 0x3b, 0xf7, 0x8c, 0xa9, 0x15, 0x16, 0xd8, 0x1b, 0x3a, 0xa9, 0xb1, 0x23,
+	0x96, 0x9a, 0x9e, 0xfb, 0xd1, 0xdd, 0x67, 0x8d, 0xdc, 0x1d, 0x62, 0xef, 0xea, 0xd7, 0x6c, 0x94,
+	0x0c, 0xee, 0xdb, 0xb3, 0xaa, 0x56, 0xe5, 0xd0, 0x60, 0xdb, 0x9b, 0xb3, 0x3e, 0xa2, 0xc4, 0xce,
+	0xe9, 0xc3, 0x21, 0xc5, 0x1f, 0x87, 0xe3, 0xfb, 0xb3, 0x53, 0x1c, 0x93, 0x1b, 0x23, 0xfb, 0x40,
+	0x0f, 0x86, 0x31, 0xcb, 0xbb, 0x0c, 0xd3, 0x7c, 0x0f, 0x37, 0x87, 0xbb, 0x9b, 0xdf, 0x6e, 0xb1,
+	0x4b, 0x48, 0xc1, 0x26, 0x4f, 0x06, 0x14, 0x77, 0x08, 0xe2, 0xf7, 0x57, 0xeb, 0x80, 0x5c, 0xaf,
+	0x03, 0xf2, 0x7b, 0x1d, 0x90, 0xef, 0x9b, 0x60, 0x74, 0xbd, 0x09, 0x46, 0x3f, 0x37, 0xc1, 0xe8,
+	0x33, 0x97, 0xa5, 0x9d, 0xb7, 0x79, 0x54, 0x68, 0xc5, 0x4f, 0xe5, 0x42, 0xe4, 0x86, 0x9f, 0xca,
+	0x57, 0xc5, 0x5c, 0x94, 0x15, 0x5f, 0xfd, 0xff, 0xa9, 0xb6, 0xab, 0xc1, 0xe4, 0x13, 0xfc, 0xd1,
+	0xd7, 0x7f, 0x03, 0x00, 0x00, 0xff, 0xff, 0xd0, 0x84, 0xf4, 0xab, 0x94, 0x02, 0x00, 0x00,
+}
+
+func (m *Params) Marshal() (dAtA []byte, err error) {
+	size := m.Size()
+	dAtA = make([]byte, size)
+	n, err := m.MarshalToSizedBuffer(dAtA[:size])
+	if err != nil {
+		return nil, err
+	}
+	return dAtA[:n], nil
+}
+
+func (m *Params) MarshalTo(dAtA []byte) (int, error) {
+	size := m.Size()
+	return m.MarshalToSizedBuffer(dAtA[:size])
+}
+
+func (m *Params) MarshalToSizedBuffer(dAtA []byte) (int, error) {
+	i := len(dAtA)
+	_ = i
+	var l int
+	_ = l
+	if m.EpochBlocks != 0 {
+		i = encodeVarintGenesis(dAtA, i, uint64(m.EpochBlocks))
+		i--
+		dAtA[i] = 0x20
+	}
+	if m.MaxVotes != 0 {
+		i = encodeVarintGenesis(dAtA, i, uint64(m.MaxVotes))
+		i--
+		dAtA[i] = 0x18
+	}
+	if len(m.TokensPerVote) > 0 {
+		i -= len(m.TokensPerVote)
+		copy(dAtA[i:], m.TokensPerVote)
+		i = encodeVarintGenesis(dAtA, i, uint64(len(m.TokensPerVote)))
+		i--
+		dAtA[i] = 0x12
+	}
+	if m.QuorumSize != 0 {
+		i = encodeVarintGenesis(dAtA, i, uint64(m.QuorumSize))
+		i--
+		dAtA[i] = 0x8
+	}
+	return len(dAtA) - i, nil
+}
+
+func (m *GenesisState) Marshal() (dAtA []byte, err error) {
+	size := m.Size()
+	dAtA = make([]byte, size)
+	n, err := m.MarshalToSizedBuffer(dAtA[:size])
+	if err != nil {
+		return nil, err
+	}
+	return dAtA[:n], nil
+}
+
+func (m *GenesisState) MarshalTo(dAtA []byte) (int, error) {
+	size := m.Size()
+	return m.MarshalToSizedBuffer(dAtA[:size])
+}
+
+func (m *GenesisState) MarshalToSizedBuffer(dAtA []byte) (int, error) {
+	i := len(dAtA)
+	_ = i
+	var l int
+	_ = l
+	if len(m.SignersByEpoch) > 0 {
+		for iNdEx := len(m.SignersByEpoch) - 1; iNdEx >= 0; iNdEx-- {
+			{
+				size, err := m.SignersByEpoch[iNdEx].MarshalToSizedBuffer(dAtA[:i])
+				if err != nil {
+					return 0, err
+				}
+				i -= size
+				i = encodeVarintGenesis(dAtA, i, uint64(size))
+			}
+			i--
+			dAtA[i] = 0x22
+		}
+	}
+	if len(m.Signers) > 0 {
+		for iNdEx := len(m.Signers) - 1; iNdEx >= 0; iNdEx-- {
+			{
+				size, err := m.Signers[iNdEx].MarshalToSizedBuffer(dAtA[:i])
+				if err != nil {
+					return 0, err
+				}
+				i -= size
+				i = encodeVarintGenesis(dAtA, i, uint64(size))
+			}
+			i--
+			dAtA[i] = 0x1a
+		}
+	}
+	if m.EpochNumber != 0 {
+		i = encodeVarintGenesis(dAtA, i, uint64(m.EpochNumber))
+		i--
+		dAtA[i] = 0x10
+	}
+	{
+		size, err := m.Params.MarshalToSizedBuffer(dAtA[:i])
+		if err != nil {
+			return 0, err
+		}
+		i -= size
+		i = encodeVarintGenesis(dAtA, i, uint64(size))
+	}
+	i--
+	dAtA[i] = 0xa
+	return len(dAtA) - i, nil
+}
+
+func encodeVarintGenesis(dAtA []byte, offset int, v uint64) int {
+	offset -= sovGenesis(v)
+	base := offset
+	for v >= 1<<7 {
+		dAtA[offset] = uint8(v&0x7f | 0x80)
+		v >>= 7
+		offset++
+	}
+	dAtA[offset] = uint8(v)
+	return base
+}
+func (m *Params) Size() (n int) {
+	if m == nil {
+		return 0
+	}
+	var l int
+	_ = l
+	if m.QuorumSize != 0 {
+		n += 1 + sovGenesis(uint64(m.QuorumSize))
+	}
+	l = len(m.TokensPerVote)
+	if l > 0 {
+		n += 1 + l + sovGenesis(uint64(l))
+	}
+	if m.MaxVotes != 0 {
+		n += 1 + sovGenesis(uint64(m.MaxVotes))
+	}
+	if m.EpochBlocks != 0 {
+		n += 1 + sovGenesis(uint64(m.EpochBlocks))
+	}
+	return n
+}
+
+func (m *GenesisState) Size() (n int) {
+	if m == nil {
+		return 0
+	}
+	var l int
+	_ = l
+	l = m.Params.Size()
+	n += 1 + l + sovGenesis(uint64(l))
+	if m.EpochNumber != 0 {
+		n += 1 + sovGenesis(uint64(m.EpochNumber))
+	}
+	if len(m.Signers) > 0 {
+		for _, e := range m.Signers {
+			l = e.Size()
+			n += 1 + l + sovGenesis(uint64(l))
+		}
+	}
+	if len(m.SignersByEpoch) > 0 {
+		for _, e := range m.SignersByEpoch {
+			l = e.Size()
+			n += 1 + l + sovGenesis(uint64(l))
+		}
+	}
+	return n
+}
+
+func sovGenesis(x uint64) (n int) {
+	return (math_bits.Len64(x|1) + 6) / 7
+}
+func sozGenesis(x uint64) (n int) {
+	return sovGenesis(uint64((x << 1) ^ uint64((int64(x) >> 63))))
+}
+func (m *Params) Unmarshal(dAtA []byte) error {
+	l := len(dAtA)
+	iNdEx := 0
+	for iNdEx < l {
+		preIndex := iNdEx
+		var wire uint64
+		for shift := uint(0); ; shift += 7 {
+			if shift >= 64 {
+				return ErrIntOverflowGenesis
+			}
+			if iNdEx >= l {
+				return io.ErrUnexpectedEOF
+			}
+			b := dAtA[iNdEx]
+			iNdEx++
+			wire |= uint64(b&0x7F) << shift
+			if b < 0x80 {
+				break
+			}
+		}
+		fieldNum := int32(wire >> 3)
+		wireType := int(wire & 0x7)
+		if wireType == 4 {
+			return fmt.Errorf("proto: Params: wiretype end group for non-group")
+		}
+		if fieldNum <= 0 {
+			return fmt.Errorf("proto: Params: illegal tag %d (wire type %d)", fieldNum, wire)
+		}
+		switch fieldNum {
+		case 1:
+			if wireType != 0 {
+				return fmt.Errorf("proto: wrong wireType = %d for field QuorumSize", wireType)
+			}
+			m.QuorumSize = 0
+			for shift := uint(0); ; shift += 7 {
+				if shift >= 64 {
+					return ErrIntOverflowGenesis
+				}
+				if iNdEx >= l {
+					return io.ErrUnexpectedEOF
+				}
+				b := dAtA[iNdEx]
+				iNdEx++
+				m.QuorumSize |= uint64(b&0x7F) << shift
+				if b < 0x80 {
+					break
+				}
+			}
+		case 2:
+			if wireType != 2 {
+				return fmt.Errorf("proto: wrong wireType = %d for field TokensPerVote", wireType)
+			}
+			var stringLen uint64
+			for shift := uint(0); ; shift += 7 {
+				if shift >= 64 {
+					return ErrIntOverflowGenesis
+				}
+				if iNdEx >= l {
+					return io.ErrUnexpectedEOF
+				}
+				b := dAtA[iNdEx]
+				iNdEx++
+				stringLen |= uint64(b&0x7F) << shift
+				if b < 0x80 {
+					break
+				}
+			}
+			intStringLen := int(stringLen)
+			if intStringLen < 0 {
+				return ErrInvalidLengthGenesis
+			}
+			postIndex := iNdEx + intStringLen
+			if postIndex < 0 {
+				return ErrInvalidLengthGenesis
+			}
+			if postIndex > l {
+				return io.ErrUnexpectedEOF
+			}
+			m.TokensPerVote = string(dAtA[iNdEx:postIndex])
+			iNdEx = postIndex
+		case 3:
+			if wireType != 0 {
+				return fmt.Errorf("proto: wrong wireType = %d for field MaxVotes", wireType)
+			}
+			m.MaxVotes = 0
+			for shift := uint(0); ; shift += 7 {
+				if shift >= 64 {
+					return ErrIntOverflowGenesis
+				}
+				if iNdEx >= l {
+					return io.ErrUnexpectedEOF
+				}
+				b := dAtA[iNdEx]
+				iNdEx++
+				m.MaxVotes |= uint64(b&0x7F) << shift
+				if b < 0x80 {
+					break
+				}
+			}
+		case 4:
+			if wireType != 0 {
+				return fmt.Errorf("proto: wrong wireType = %d for field EpochBlocks", wireType)
+			}
+			m.EpochBlocks = 0
+			for shift := uint(0); ; shift += 7 {
+				if shift >= 64 {
+					return ErrIntOverflowGenesis
+				}
+				if iNdEx >= l {
+					return io.ErrUnexpectedEOF
+				}
+				b := dAtA[iNdEx]
+				iNdEx++
+				m.EpochBlocks |= uint64(b&0x7F) << shift
+				if b < 0x80 {
+					break
+				}
+			}
+		default:
+			iNdEx = preIndex
+			skippy, err := skipGenesis(dAtA[iNdEx:])
+			if err != nil {
+				return err
+			}
+			if (skippy < 0) || (iNdEx+skippy) < 0 {
+				return ErrInvalidLengthGenesis
+			}
+			if (iNdEx + skippy) > l {
+				return io.ErrUnexpectedEOF
+			}
+			iNdEx += skippy
+		}
+	}
+
+	if iNdEx > l {
+		return io.ErrUnexpectedEOF
+	}
+	return nil
+}
+func (m *GenesisState) Unmarshal(dAtA []byte) error {
+	l := len(dAtA)
+	iNdEx := 0
+	for iNdEx < l {
+		preIndex := iNdEx
+		var wire uint64
+		for shift := uint(0); ; shift += 7 {
+			if shift >= 64 {
+				return ErrIntOverflowGenesis
+			}
+			if iNdEx >= l {
+				return io.ErrUnexpectedEOF
+			}
+			b := dAtA[iNdEx]
+			iNdEx++
+			wire |= uint64(b&0x7F) << shift
+			if b < 0x80 {
+				break
+			}
+		}
+		fieldNum := int32(wire >> 3)
+		wireType := int(wire & 0x7)
+		if wireType == 4 {
+			return fmt.Errorf("proto: GenesisState: wiretype end group for non-group")
+		}
+		if fieldNum <= 0 {
+			return fmt.Errorf("proto: GenesisState: illegal tag %d (wire type %d)", fieldNum, wire)
+		}
+		switch fieldNum {
+		case 1:
+			if wireType != 2 {
+				return fmt.Errorf("proto: wrong wireType = %d for field Params", wireType)
+			}
+			var msglen int
+			for shift := uint(0); ; shift += 7 {
+				if shift >= 64 {
+					return ErrIntOverflowGenesis
+				}
+				if iNdEx >= l {
+					return io.ErrUnexpectedEOF
+				}
+				b := dAtA[iNdEx]
+				iNdEx++
+				msglen |= int(b&0x7F) << shift
+				if b < 0x80 {
+					break
+				}
+			}
+			if msglen < 0 {
+				return ErrInvalidLengthGenesis
+			}
+			postIndex := iNdEx + msglen
+			if postIndex < 0 {
+				return ErrInvalidLengthGenesis
+			}
+			if postIndex > l {
+				return io.ErrUnexpectedEOF
+			}
+			if err := m.Params.Unmarshal(dAtA[iNdEx:postIndex]); err != nil {
+				return err
+			}
+			iNdEx = postIndex
+		case 2:
+			if wireType != 0 {
+				return fmt.Errorf("proto: wrong wireType = %d for field EpochNumber", wireType)
+			}
+			m.EpochNumber = 0
+			for shift := uint(0); ; shift += 7 {
+				if shift >= 64 {
+					return ErrIntOverflowGenesis
+				}
+				if iNdEx >= l {
+					return io.ErrUnexpectedEOF
+				}
+				b := dAtA[iNdEx]
+				iNdEx++
+				m.EpochNumber |= uint64(b&0x7F) << shift
+				if b < 0x80 {
+					break
+				}
+			}
+		case 3:
+			if wireType != 2 {
+				return fmt.Errorf("proto: wrong wireType = %d for field Signers", wireType)
+			}
+			var msglen int
+			for shift := uint(0); ; shift += 7 {
+				if shift >= 64 {
+					return ErrIntOverflowGenesis
+				}
+				if iNdEx >= l {
+					return io.ErrUnexpectedEOF
+				}
+				b := dAtA[iNdEx]
+				iNdEx++
+				msglen |= int(b&0x7F) << shift
+				if b < 0x80 {
+					break
+				}
+			}
+			if msglen < 0 {
+				return ErrInvalidLengthGenesis
+			}
+			postIndex := iNdEx + msglen
+			if postIndex < 0 {
+				return ErrInvalidLengthGenesis
+			}
+			if postIndex > l {
+				return io.ErrUnexpectedEOF
+			}
+			m.Signers = append(m.Signers, &Signer{})
+			if err := m.Signers[len(m.Signers)-1].Unmarshal(dAtA[iNdEx:postIndex]); err != nil {
+				return err
+			}
+			iNdEx = postIndex
+		case 4:
+			if wireType != 2 {
+				return fmt.Errorf("proto: wrong wireType = %d for field SignersByEpoch", wireType)
+			}
+			var msglen int
+			for shift := uint(0); ; shift += 7 {
+				if shift >= 64 {
+					return ErrIntOverflowGenesis
+				}
+				if iNdEx >= l {
+					return io.ErrUnexpectedEOF
+				}
+				b := dAtA[iNdEx]
+				iNdEx++
+				msglen |= int(b&0x7F) << shift
+				if b < 0x80 {
+					break
+				}
+			}
+			if msglen < 0 {
+				return ErrInvalidLengthGenesis
+			}
+			postIndex := iNdEx + msglen
+			if postIndex < 0 {
+				return ErrInvalidLengthGenesis
+			}
+			if postIndex > l {
+				return io.ErrUnexpectedEOF
+			}
+			m.SignersByEpoch = append(m.SignersByEpoch, &EpochSignerSet{})
+			if err := m.SignersByEpoch[len(m.SignersByEpoch)-1].Unmarshal(dAtA[iNdEx:postIndex]); err != nil {
+				return err
+			}
+			iNdEx = postIndex
+		default:
+			iNdEx = preIndex
+			skippy, err := skipGenesis(dAtA[iNdEx:])
+			if err != nil {
+				return err
+			}
+			if (skippy < 0) || (iNdEx+skippy) < 0 {
+				return ErrInvalidLengthGenesis
+			}
+			if (iNdEx + skippy) > l {
+				return io.ErrUnexpectedEOF
+			}
+			iNdEx += skippy
+		}
+	}
+
+	if iNdEx > l {
+		return io.ErrUnexpectedEOF
+	}
+	return nil
+}
+func skipGenesis(dAtA []byte) (n int, err error) {
+	l := len(dAtA)
+	iNdEx := 0
+	depth := 0
+	for iNdEx < l {
+		var wire uint64
+		for shift := uint(0); ; shift += 7 {
+			if shift >= 64 {
+				return 0, ErrIntOverflowGenesis
+			}
+			if iNdEx >= l {
+				return 0, io.ErrUnexpectedEOF
+			}
+			b := dAtA[iNdEx]
+			iNdEx++
+			wire |= (uint64(b) & 0x7F) << shift
+			if b < 0x80 {
+				break
+			}
+		}
+		wireType := int(wire & 0x7)
+		switch wireType {
+		case 0:
+			for shift := uint(0); ; shift += 7 {
+				if shift >= 64 {
+					return 0, ErrIntOverflowGenesis
+				}
+				if iNdEx >= l {
+					return 0, io.ErrUnexpectedEOF
+				}
+				iNdEx++
+				if dAtA[iNdEx-1] < 0x80 {
+					break
+				}
+			}
+		case 1:
+			iNdEx += 8
+		case 2:
+			var length int
+			for shift := uint(0); ; shift += 7 {
+				if shift >= 64 {
+					return 0, ErrIntOverflowGenesis
+				}
+				if iNdEx >= l {
+					return 0, io.ErrUnexpectedEOF
+				}
+				b := dAtA[iNdEx]
+				iNdEx++
+				length |= (int(b) & 0x7F) << shift
+				if b < 0x80 {
+					break
+				}
+			}
+			if length < 0 {
+				return 0, ErrInvalidLengthGenesis
+			}
+			iNdEx += length
+		case 3:
+			depth++
+		case 4:
+			if depth == 0 {
+				return 0, ErrUnexpectedEndOfGroupGenesis
+			}
+			depth--
+		case 5:
+			iNdEx += 4
+		default:
+			return 0, fmt.Errorf("proto: illegal wireType %d", wireType)
+		}
+		if iNdEx < 0 {
+			return 0, ErrInvalidLengthGenesis
+		}
+		if depth == 0 {
+			return iNdEx, nil
+		}
+	}
+	return 0, io.ErrUnexpectedEOF
+}
+
+var (
+	ErrInvalidLengthGenesis        = fmt.Errorf("proto: negative length found during unmarshaling")
+	ErrIntOverflowGenesis          = fmt.Errorf("proto: integer overflow")
+	ErrUnexpectedEndOfGroupGenesis = fmt.Errorf("proto: unexpected end of group")
+)

x/dasigners/v1/types/hash.go

@@ -0,0 +1,43 @@
+package types
+
+import (
+	"math/big"
+
+	"github.com/0glabs/0g-chain/crypto/bn254util"
+	"github.com/consensys/gnark-crypto/ecc/bn254"
+	"github.com/ethereum/go-ethereum/common"
+	"github.com/ethereum/go-ethereum/crypto"
+
+	sdk "github.com/cosmos/cosmos-sdk/types"
+)
+
+func PubkeyRegistrationHash(operatorAddress common.Address, chainId *big.Int) *bn254.G1Affine {
+	toHash := make([]byte, 0)
+	toHash = append(toHash, operatorAddress.Bytes()...)
+	// make sure chainId is 32 bytes
+	toHash = append(toHash, common.LeftPadBytes(chainId.Bytes(), 32)...)
+	toHash = append(toHash, []byte("0G_BN254_Pubkey_Registration")...)
+
+	msgHash := crypto.Keccak256(toHash)
+	// convert to [32]byte
+	var msgHash32 [32]byte
+	copy(msgHash32[:], msgHash)
+
+	// hash to G1
+	return bn254util.MapToCurve(msgHash32)
+}
+
+func EpochRegistrationHash(operatorAddress common.Address, epoch uint64, chainId *big.Int) *bn254.G1Affine {
+	toHash := make([]byte, 0)
+	toHash = append(toHash, operatorAddress.Bytes()...)
+	toHash = append(toHash, sdk.Uint64ToBigEndian(epoch)...)
+	toHash = append(toHash, common.LeftPadBytes(chainId.Bytes(), 32)...)
+
+	msgHash := crypto.Keccak256(toHash)
+	// convert to [32]byte
+	var msgHash32 [32]byte
+	copy(msgHash32[:], msgHash)
+
+	// hash to G1
+	return bn254util.MapToCurve(msgHash32)
+}

x/dasigners/v1/types/interfaces.go

@@ -0,0 +1,10 @@
+package types
+
+import (
+	sdk "github.com/cosmos/cosmos-sdk/types"
+	stakingtypes "github.com/cosmos/cosmos-sdk/x/staking/types"
+)
+
+type StakingKeeper interface {
+	GetValidator(ctx sdk.Context, addr sdk.ValAddress) (validator stakingtypes.Validator, found bool)
+}

x/dasigners/v1/types/keys.go

@@ -0,0 +1,45 @@
+package types
+
+import (
+	"encoding/hex"
+
+	sdk "github.com/cosmos/cosmos-sdk/types"
+)
+
+const (
+	// ModuleName The name that will be used throughout the module
+	ModuleName = "da-signers"
+
+	// StoreKey Top level store key where all module items will be stored
+	StoreKey = ModuleName
+
+	// QuerierRoute Top level query string
+	QuerierRoute = ModuleName
+)
+
+var (
+	// prefix
+	SignerKeyPrefix         = []byte{0x00}
+	EpochSignerSetKeyPrefix = []byte{0x01}
+	RegistrationKeyPrefix   = []byte{0x02}
+
+	// keys
+	ParamsKey      = []byte{0x05}
+	EpochNumberKey = []byte{0x06}
+)
+
+func GetSignerKeyFromAccount(account string) ([]byte, error) {
+	return hex.DecodeString(account)
+}
+
+func GetEpochSignerSetKeyFromEpoch(epoch uint64) []byte {
+	return sdk.Uint64ToBigEndian(epoch)
+}
+
+func GetEpochRegistrationKeyPrefix(epoch uint64) []byte {
+	return append(RegistrationKeyPrefix, sdk.Uint64ToBigEndian(epoch)...)
+}
+
+func GetRegistrationKey(account string) ([]byte, error) {
+	return hex.DecodeString(account)
+}

x/dasigners/v1/types/msg.go

@@ -0,0 +1,96 @@
+package types
+
+import (
+	"encoding/hex"
+	fmt "fmt"
+
+	"github.com/0glabs/0g-chain/crypto/bn254util"
+
+	sdk "github.com/cosmos/cosmos-sdk/types"
+)
+
+var _, _, _ sdk.Msg = &MsgRegisterSigner{}, &MsgUpdateSocket{}, &MsgRegisterNextEpoch{}
+
+// GetSigners returns the expected signers for a MsgRegister message.
+func (msg *MsgRegisterSigner) GetSigners() []sdk.AccAddress {
+	valAddr, err := sdk.ValAddressFromHex(msg.Signer.Account)
+	if err != nil {
+		panic(err)
+	}
+	accAddr, err := sdk.AccAddressFromHexUnsafe(hex.EncodeToString(valAddr.Bytes()))
+	if err != nil {
+		panic(err)
+	}
+	return []sdk.AccAddress{accAddr}
+}
+
+// ValidateBasic does a sanity check of the provided data
+func (msg *MsgRegisterSigner) ValidateBasic() error {
+	if err := msg.Signer.Validate(); err != nil {
+		return err
+	}
+	if len(msg.Signature) != bn254util.G1PointSize {
+		return fmt.Errorf("invalid signature")
+	}
+	return nil
+}
+
+// GetSignBytes implements the LegacyMsg interface.
+func (msg MsgRegisterSigner) GetSignBytes() []byte {
+	return sdk.MustSortJSON(AminoCdc.MustMarshalJSON(&msg))
+}
+
+// GetSigners returns the expected signers for a MsgVote message.
+func (msg *MsgUpdateSocket) GetSigners() []sdk.AccAddress {
+	valAddr, err := sdk.ValAddressFromHex(msg.Account)
+	if err != nil {
+		panic(err)
+	}
+	accAddr, err := sdk.AccAddressFromHexUnsafe(hex.EncodeToString(valAddr.Bytes()))
+	if err != nil {
+		panic(err)
+	}
+	return []sdk.AccAddress{accAddr}
+}
+
+// ValidateBasic does a sanity check of the provided data
+func (msg *MsgUpdateSocket) ValidateBasic() error {
+	if err := ValidateHexAddress(msg.Account); err != nil {
+		return err
+	}
+	return nil
+}
+
+// GetSignBytes implements the LegacyMsg interface.
+func (msg MsgUpdateSocket) GetSignBytes() []byte {
+	return sdk.MustSortJSON(AminoCdc.MustMarshalJSON(&msg))
+}
+
+// GetSigners returns the expected signers for a MsgVote message.
+func (msg *MsgRegisterNextEpoch) GetSigners() []sdk.AccAddress {
+	valAddr, err := sdk.ValAddressFromHex(msg.Account)
+	if err != nil {
+		panic(err)
+	}
+	accAddr, err := sdk.AccAddressFromHexUnsafe(hex.EncodeToString(valAddr.Bytes()))
+	if err != nil {
+		panic(err)
+	}
+	return []sdk.AccAddress{accAddr}
+}
+
+// ValidateBasic does a sanity check of the provided data
+func (msg *MsgRegisterNextEpoch) ValidateBasic() error {
+	if err := ValidateHexAddress(msg.Account); err != nil {
+		return err
+	}
+	if len(msg.Signature) != bn254util.G1PointSize {
+		return fmt.Errorf("invalid signature")
+	}
+	return nil
+}
+
+// GetSignBytes implements the LegacyMsg interface.
+func (msg MsgRegisterNextEpoch) GetSignBytes() []byte {
+	return sdk.MustSortJSON(AminoCdc.MustMarshalJSON(&msg))
+}

x/dasigners/v1/types/query.pb.gw.go

@@ -0,0 +1,402 @@
+// Code generated by protoc-gen-grpc-gateway. DO NOT EDIT.
+// source: zgc/dasigners/v1/query.proto
+
+/*
+Package types is a reverse proxy.
+
+It translates gRPC into RESTful JSON APIs.
+*/
+package types
+
+import (
+	"context"
+	"io"
+	"net/http"
+
+	"github.com/golang/protobuf/descriptor"
+	"github.com/golang/protobuf/proto"
+	"github.com/grpc-ecosystem/grpc-gateway/runtime"
+	"github.com/grpc-ecosystem/grpc-gateway/utilities"
+	"google.golang.org/grpc"
+	"google.golang.org/grpc/codes"
+	"google.golang.org/grpc/grpclog"
+	"google.golang.org/grpc/metadata"
+	"google.golang.org/grpc/status"
+)
+
+// Suppress "imported and not used" errors
+var _ codes.Code
+var _ io.Reader
+var _ status.Status
+var _ = runtime.String
+var _ = utilities.NewDoubleArray
+var _ = descriptor.ForMessage
+var _ = metadata.Join
+
+func request_Query_EpochNumber_0(ctx context.Context, marshaler runtime.Marshaler, client QueryClient, req *http.Request, pathParams map[string]string) (proto.Message, runtime.ServerMetadata, error) {
+	var protoReq QueryEpochNumberRequest
+	var metadata runtime.ServerMetadata
+
+	msg, err := client.EpochNumber(ctx, &protoReq, grpc.Header(&metadata.HeaderMD), grpc.Trailer(&metadata.TrailerMD))
+	return msg, metadata, err
+
+}
+
+func local_request_Query_EpochNumber_0(ctx context.Context, marshaler runtime.Marshaler, server QueryServer, req *http.Request, pathParams map[string]string) (proto.Message, runtime.ServerMetadata, error) {
+	var protoReq QueryEpochNumberRequest
+	var metadata runtime.ServerMetadata
+
+	msg, err := server.EpochNumber(ctx, &protoReq)
+	return msg, metadata, err
+
+}
+
+var (
+	filter_Query_EpochSignerSet_0 = &utilities.DoubleArray{Encoding: map[string]int{}, Base: []int(nil), Check: []int(nil)}
+)
+
+func request_Query_EpochSignerSet_0(ctx context.Context, marshaler runtime.Marshaler, client QueryClient, req *http.Request, pathParams map[string]string) (proto.Message, runtime.ServerMetadata, error) {
+	var protoReq QueryEpochSignerSetRequest
+	var metadata runtime.ServerMetadata
+
+	if err := req.ParseForm(); err != nil {
+		return nil, metadata, status.Errorf(codes.InvalidArgument, "%v", err)
+	}
+	if err := runtime.PopulateQueryParameters(&protoReq, req.Form, filter_Query_EpochSignerSet_0); err != nil {
+		return nil, metadata, status.Errorf(codes.InvalidArgument, "%v", err)
+	}
+
+	msg, err := client.EpochSignerSet(ctx, &protoReq, grpc.Header(&metadata.HeaderMD), grpc.Trailer(&metadata.TrailerMD))
+	return msg, metadata, err
+
+}
+
+func local_request_Query_EpochSignerSet_0(ctx context.Context, marshaler runtime.Marshaler, server QueryServer, req *http.Request, pathParams map[string]string) (proto.Message, runtime.ServerMetadata, error) {
+	var protoReq QueryEpochSignerSetRequest
+	var metadata runtime.ServerMetadata
+
+	if err := req.ParseForm(); err != nil {
+		return nil, metadata, status.Errorf(codes.InvalidArgument, "%v", err)
+	}
+	if err := runtime.PopulateQueryParameters(&protoReq, req.Form, filter_Query_EpochSignerSet_0); err != nil {
+		return nil, metadata, status.Errorf(codes.InvalidArgument, "%v", err)
+	}
+
+	msg, err := server.EpochSignerSet(ctx, &protoReq)
+	return msg, metadata, err
+
+}
+
+var (
+	filter_Query_AggregatePubkeyG1_0 = &utilities.DoubleArray{Encoding: map[string]int{}, Base: []int(nil), Check: []int(nil)}
+)
+
+func request_Query_AggregatePubkeyG1_0(ctx context.Context, marshaler runtime.Marshaler, client QueryClient, req *http.Request, pathParams map[string]string) (proto.Message, runtime.ServerMetadata, error) {
+	var protoReq QueryAggregatePubkeyG1Request
+	var metadata runtime.ServerMetadata
+
+	if err := req.ParseForm(); err != nil {
+		return nil, metadata, status.Errorf(codes.InvalidArgument, "%v", err)
+	}
+	if err := runtime.PopulateQueryParameters(&protoReq, req.Form, filter_Query_AggregatePubkeyG1_0); err != nil {
+		return nil, metadata, status.Errorf(codes.InvalidArgument, "%v", err)
+	}
+
+	msg, err := client.AggregatePubkeyG1(ctx, &protoReq, grpc.Header(&metadata.HeaderMD), grpc.Trailer(&metadata.TrailerMD))
+	return msg, metadata, err
+
+}
+
+func local_request_Query_AggregatePubkeyG1_0(ctx context.Context, marshaler runtime.Marshaler, server QueryServer, req *http.Request, pathParams map[string]string) (proto.Message, runtime.ServerMetadata, error) {
+	var protoReq QueryAggregatePubkeyG1Request
+	var metadata runtime.ServerMetadata
+
+	if err := req.ParseForm(); err != nil {
+		return nil, metadata, status.Errorf(codes.InvalidArgument, "%v", err)
+	}
+	if err := runtime.PopulateQueryParameters(&protoReq, req.Form, filter_Query_AggregatePubkeyG1_0); err != nil {
+		return nil, metadata, status.Errorf(codes.InvalidArgument, "%v", err)
+	}
+
+	msg, err := server.AggregatePubkeyG1(ctx, &protoReq)
+	return msg, metadata, err
+
+}
+
+var (
+	filter_Query_Signer_0 = &utilities.DoubleArray{Encoding: map[string]int{}, Base: []int(nil), Check: []int(nil)}
+)
+
+func request_Query_Signer_0(ctx context.Context, marshaler runtime.Marshaler, client QueryClient, req *http.Request, pathParams map[string]string) (proto.Message, runtime.ServerMetadata, error) {
+	var protoReq QuerySignerRequest
+	var metadata runtime.ServerMetadata
+
+	if err := req.ParseForm(); err != nil {
+		return nil, metadata, status.Errorf(codes.InvalidArgument, "%v", err)
+	}
+	if err := runtime.PopulateQueryParameters(&protoReq, req.Form, filter_Query_Signer_0); err != nil {
+		return nil, metadata, status.Errorf(codes.InvalidArgument, "%v", err)
+	}
+
+	msg, err := client.Signer(ctx, &protoReq, grpc.Header(&metadata.HeaderMD), grpc.Trailer(&metadata.TrailerMD))
+	return msg, metadata, err
+
+}
+
+func local_request_Query_Signer_0(ctx context.Context, marshaler runtime.Marshaler, server QueryServer, req *http.Request, pathParams map[string]string) (proto.Message, runtime.ServerMetadata, error) {
+	var protoReq QuerySignerRequest
+	var metadata runtime.ServerMetadata
+
+	if err := req.ParseForm(); err != nil {
+		return nil, metadata, status.Errorf(codes.InvalidArgument, "%v", err)
+	}
+	if err := runtime.PopulateQueryParameters(&protoReq, req.Form, filter_Query_Signer_0); err != nil {
+		return nil, metadata, status.Errorf(codes.InvalidArgument, "%v", err)
+	}
+
+	msg, err := server.Signer(ctx, &protoReq)
+	return msg, metadata, err
+
+}
+
+// RegisterQueryHandlerServer registers the http handlers for service Query to "mux".
+// UnaryRPC     :call QueryServer directly.
+// StreamingRPC :currently unsupported pending https://github.com/grpc/grpc-go/issues/906.
+// Note that using this registration option will cause many gRPC library features to stop working. Consider using RegisterQueryHandlerFromEndpoint instead.
+func RegisterQueryHandlerServer(ctx context.Context, mux *runtime.ServeMux, server QueryServer) error {
+
+	mux.Handle("GET", pattern_Query_EpochNumber_0, func(w http.ResponseWriter, req *http.Request, pathParams map[string]string) {
+		ctx, cancel := context.WithCancel(req.Context())
+		defer cancel()
+		var stream runtime.ServerTransportStream
+		ctx = grpc.NewContextWithServerTransportStream(ctx, &stream)
+		inboundMarshaler, outboundMarshaler := runtime.MarshalerForRequest(mux, req)
+		rctx, err := runtime.AnnotateIncomingContext(ctx, mux, req)
+		if err != nil {
+			runtime.HTTPError(ctx, mux, outboundMarshaler, w, req, err)
+			return
+		}
+		resp, md, err := local_request_Query_EpochNumber_0(rctx, inboundMarshaler, server, req, pathParams)
+		md.HeaderMD, md.TrailerMD = metadata.Join(md.HeaderMD, stream.Header()), metadata.Join(md.TrailerMD, stream.Trailer())
+		ctx = runtime.NewServerMetadataContext(ctx, md)
+		if err != nil {
+			runtime.HTTPError(ctx, mux, outboundMarshaler, w, req, err)
+			return
+		}
+
+		forward_Query_EpochNumber_0(ctx, mux, outboundMarshaler, w, req, resp, mux.GetForwardResponseOptions()...)
+
+	})
+
+	mux.Handle("GET", pattern_Query_EpochSignerSet_0, func(w http.ResponseWriter, req *http.Request, pathParams map[string]string) {
+		ctx, cancel := context.WithCancel(req.Context())
+		defer cancel()
+		var stream runtime.ServerTransportStream
+		ctx = grpc.NewContextWithServerTransportStream(ctx, &stream)
+		inboundMarshaler, outboundMarshaler := runtime.MarshalerForRequest(mux, req)
+		rctx, err := runtime.AnnotateIncomingContext(ctx, mux, req)
+		if err != nil {
+			runtime.HTTPError(ctx, mux, outboundMarshaler, w, req, err)
+			return
+		}
+		resp, md, err := local_request_Query_EpochSignerSet_0(rctx, inboundMarshaler, server, req, pathParams)
+		md.HeaderMD, md.TrailerMD = metadata.Join(md.HeaderMD, stream.Header()), metadata.Join(md.TrailerMD, stream.Trailer())
+		ctx = runtime.NewServerMetadataContext(ctx, md)
+		if err != nil {
+			runtime.HTTPError(ctx, mux, outboundMarshaler, w, req, err)
+			return
+		}
+
+		forward_Query_EpochSignerSet_0(ctx, mux, outboundMarshaler, w, req, resp, mux.GetForwardResponseOptions()...)
+
+	})
+
+	mux.Handle("GET", pattern_Query_AggregatePubkeyG1_0, func(w http.ResponseWriter, req *http.Request, pathParams map[string]string) {
+		ctx, cancel := context.WithCancel(req.Context())
+		defer cancel()
+		var stream runtime.ServerTransportStream
+		ctx = grpc.NewContextWithServerTransportStream(ctx, &stream)
+		inboundMarshaler, outboundMarshaler := runtime.MarshalerForRequest(mux, req)
+		rctx, err := runtime.AnnotateIncomingContext(ctx, mux, req)
+		if err != nil {
+			runtime.HTTPError(ctx, mux, outboundMarshaler, w, req, err)
+			return
+		}
+		resp, md, err := local_request_Query_AggregatePubkeyG1_0(rctx, inboundMarshaler, server, req, pathParams)
+		md.HeaderMD, md.TrailerMD = metadata.Join(md.HeaderMD, stream.Header()), metadata.Join(md.TrailerMD, stream.Trailer())
+		ctx = runtime.NewServerMetadataContext(ctx, md)
+		if err != nil {
+			runtime.HTTPError(ctx, mux, outboundMarshaler, w, req, err)
+			return
+		}
+
+		forward_Query_AggregatePubkeyG1_0(ctx, mux, outboundMarshaler, w, req, resp, mux.GetForwardResponseOptions()...)
+
+	})
+
+	mux.Handle("GET", pattern_Query_Signer_0, func(w http.ResponseWriter, req *http.Request, pathParams map[string]string) {
+		ctx, cancel := context.WithCancel(req.Context())
+		defer cancel()
+		var stream runtime.ServerTransportStream
+		ctx = grpc.NewContextWithServerTransportStream(ctx, &stream)
+		inboundMarshaler, outboundMarshaler := runtime.MarshalerForRequest(mux, req)
+		rctx, err := runtime.AnnotateIncomingContext(ctx, mux, req)
+		if err != nil {
+			runtime.HTTPError(ctx, mux, outboundMarshaler, w, req, err)
+			return
+		}
+		resp, md, err := local_request_Query_Signer_0(rctx, inboundMarshaler, server, req, pathParams)
+		md.HeaderMD, md.TrailerMD = metadata.Join(md.HeaderMD, stream.Header()), metadata.Join(md.TrailerMD, stream.Trailer())
+		ctx = runtime.NewServerMetadataContext(ctx, md)
+		if err != nil {
+			runtime.HTTPError(ctx, mux, outboundMarshaler, w, req, err)
+			return
+		}
+
+		forward_Query_Signer_0(ctx, mux, outboundMarshaler, w, req, resp, mux.GetForwardResponseOptions()...)
+
+	})
+
+	return nil
+}
+
+// RegisterQueryHandlerFromEndpoint is same as RegisterQueryHandler but
+// automatically dials to "endpoint" and closes the connection when "ctx" gets done.
+func RegisterQueryHandlerFromEndpoint(ctx context.Context, mux *runtime.ServeMux, endpoint string, opts []grpc.DialOption) (err error) {
+	conn, err := grpc.Dial(endpoint, opts...)
+	if err != nil {
+		return err
+	}
+	defer func() {
+		if err != nil {
+			if cerr := conn.Close(); cerr != nil {
+				grpclog.Infof("Failed to close conn to %s: %v", endpoint, cerr)
+			}
+			return
+		}
+		go func() {
+			<-ctx.Done()
+			if cerr := conn.Close(); cerr != nil {
+				grpclog.Infof("Failed to close conn to %s: %v", endpoint, cerr)
+			}
+		}()
+	}()
+
+	return RegisterQueryHandler(ctx, mux, conn)
+}
+
+// RegisterQueryHandler registers the http handlers for service Query to "mux".
+// The handlers forward requests to the grpc endpoint over "conn".
+func RegisterQueryHandler(ctx context.Context, mux *runtime.ServeMux, conn *grpc.ClientConn) error {
+	return RegisterQueryHandlerClient(ctx, mux, NewQueryClient(conn))
+}
+
+// RegisterQueryHandlerClient registers the http handlers for service Query
+// to "mux". The handlers forward requests to the grpc endpoint over the given implementation of "QueryClient".
+// Note: the gRPC framework executes interceptors within the gRPC handler. If the passed in "QueryClient"
+// doesn't go through the normal gRPC flow (creating a gRPC client etc.) then it will be up to the passed in
+// "QueryClient" to call the correct interceptors.
+func RegisterQueryHandlerClient(ctx context.Context, mux *runtime.ServeMux, client QueryClient) error {
+
+	mux.Handle("GET", pattern_Query_EpochNumber_0, func(w http.ResponseWriter, req *http.Request, pathParams map[string]string) {
+		ctx, cancel := context.WithCancel(req.Context())
+		defer cancel()
+		inboundMarshaler, outboundMarshaler := runtime.MarshalerForRequest(mux, req)
+		rctx, err := runtime.AnnotateContext(ctx, mux, req)
+		if err != nil {
+			runtime.HTTPError(ctx, mux, outboundMarshaler, w, req, err)
+			return
+		}
+		resp, md, err := request_Query_EpochNumber_0(rctx, inboundMarshaler, client, req, pathParams)
+		ctx = runtime.NewServerMetadataContext(ctx, md)
+		if err != nil {
+			runtime.HTTPError(ctx, mux, outboundMarshaler, w, req, err)
+			return
+		}
+
+		forward_Query_EpochNumber_0(ctx, mux, outboundMarshaler, w, req, resp, mux.GetForwardResponseOptions()...)
+
+	})
+
+	mux.Handle("GET", pattern_Query_EpochSignerSet_0, func(w http.ResponseWriter, req *http.Request, pathParams map[string]string) {
+		ctx, cancel := context.WithCancel(req.Context())
+		defer cancel()
+		inboundMarshaler, outboundMarshaler := runtime.MarshalerForRequest(mux, req)
+		rctx, err := runtime.AnnotateContext(ctx, mux, req)
+		if err != nil {
+			runtime.HTTPError(ctx, mux, outboundMarshaler, w, req, err)
+			return
+		}
+		resp, md, err := request_Query_EpochSignerSet_0(rctx, inboundMarshaler, client, req, pathParams)
+		ctx = runtime.NewServerMetadataContext(ctx, md)
+		if err != nil {
+			runtime.HTTPError(ctx, mux, outboundMarshaler, w, req, err)
+			return
+		}
+
+		forward_Query_EpochSignerSet_0(ctx, mux, outboundMarshaler, w, req, resp, mux.GetForwardResponseOptions()...)
+
+	})
+
+	mux.Handle("GET", pattern_Query_AggregatePubkeyG1_0, func(w http.ResponseWriter, req *http.Request, pathParams map[string]string) {
+		ctx, cancel := context.WithCancel(req.Context())
+		defer cancel()
+		inboundMarshaler, outboundMarshaler := runtime.MarshalerForRequest(mux, req)
+		rctx, err := runtime.AnnotateContext(ctx, mux, req)
+		if err != nil {
+			runtime.HTTPError(ctx, mux, outboundMarshaler, w, req, err)
+			return
+		}
+		resp, md, err := request_Query_AggregatePubkeyG1_0(rctx, inboundMarshaler, client, req, pathParams)
+		ctx = runtime.NewServerMetadataContext(ctx, md)
+		if err != nil {
+			runtime.HTTPError(ctx, mux, outboundMarshaler, w, req, err)
+			return
+		}
+
+		forward_Query_AggregatePubkeyG1_0(ctx, mux, outboundMarshaler, w, req, resp, mux.GetForwardResponseOptions()...)
+
+	})
+
+	mux.Handle("GET", pattern_Query_Signer_0, func(w http.ResponseWriter, req *http.Request, pathParams map[string]string) {
+		ctx, cancel := context.WithCancel(req.Context())
+		defer cancel()
+		inboundMarshaler, outboundMarshaler := runtime.MarshalerForRequest(mux, req)
+		rctx, err := runtime.AnnotateContext(ctx, mux, req)
+		if err != nil {
+			runtime.HTTPError(ctx, mux, outboundMarshaler, w, req, err)
+			return
+		}
+		resp, md, err := request_Query_Signer_0(rctx, inboundMarshaler, client, req, pathParams)
+		ctx = runtime.NewServerMetadataContext(ctx, md)
+		if err != nil {
+			runtime.HTTPError(ctx, mux, outboundMarshaler, w, req, err)
+			return
+		}
+
+		forward_Query_Signer_0(ctx, mux, outboundMarshaler, w, req, resp, mux.GetForwardResponseOptions()...)
+
+	})
+
+	return nil
+}
+
+var (
+	pattern_Query_EpochNumber_0 = runtime.MustPattern(runtime.NewPattern(1, []int{2, 0, 2, 1, 2, 2, 2, 3}, []string{"0gchain", "dasigners", "v1", "epoch-number"}, "", runtime.AssumeColonVerbOpt(false)))
+
+	pattern_Query_EpochSignerSet_0 = runtime.MustPattern(runtime.NewPattern(1, []int{2, 0, 2, 1, 2, 2, 2, 3}, []string{"0gchain", "dasigners", "v1", "epoch-signer-set"}, "", runtime.AssumeColonVerbOpt(false)))
+
+	pattern_Query_AggregatePubkeyG1_0 = runtime.MustPattern(runtime.NewPattern(1, []int{2, 0, 2, 1, 2, 2, 2, 3}, []string{"0gchain", "dasigners", "v1", "aggregate-pubkey-g1"}, "", runtime.AssumeColonVerbOpt(false)))
+
+	pattern_Query_Signer_0 = runtime.MustPattern(runtime.NewPattern(1, []int{2, 0, 2, 1, 2, 2, 2, 3}, []string{"0gchain", "dasigners", "v1", "signer"}, "", runtime.AssumeColonVerbOpt(false)))
+)
+
+var (
+	forward_Query_EpochNumber_0 = runtime.ForwardResponseMessage
+
+	forward_Query_EpochSignerSet_0 = runtime.ForwardResponseMessage
+
+	forward_Query_AggregatePubkeyG1_0 = runtime.ForwardResponseMessage
+
+	forward_Query_Signer_0 = runtime.ForwardResponseMessage
+)

x/dasigners/v1/types/signer.go

@@ -0,0 +1,55 @@
+package types
+
+import (
+	"encoding/hex"
+	fmt "fmt"
+
+	"github.com/0glabs/0g-chain/crypto/bn254util"
+	"github.com/consensys/gnark-crypto/ecc/bn254"
+)
+
+func ValidateHexAddress(account string) error {
+	addr, err := hex.DecodeString(account)
+	if err != nil {
+		return err
+	}
+	if len(addr) != 20 {
+		return fmt.Errorf("invalid address length")
+	}
+	return nil
+}
+
+func (s *Signer) Validate() error {
+	if len(s.PubkeyG1) != bn254util.G1PointSize {
+		return fmt.Errorf("invalid G1 pubkey length")
+	}
+	if len(s.PubkeyG2) != bn254util.G2PointSize {
+		return fmt.Errorf("invalid G2 pubkey length")
+	}
+	if err := ValidateHexAddress(s.Account); err != nil {
+		return err
+	}
+	return nil
+}
+
+func (s *Signer) ValidateSignature(hash *bn254.G1Affine, signature *bn254.G1Affine) bool {
+	pubkeyG1 := bn254util.DeserializeG1(s.PubkeyG1)
+	pubkeyG2 := bn254util.DeserializeG2(s.PubkeyG2)
+	gamma := bn254util.Gamma(hash, signature, pubkeyG1, pubkeyG2)
+
+	// pairing
+	P := [2]bn254.G1Affine{
+		*new(bn254.G1Affine).Add(signature, new(bn254.G1Affine).ScalarMultiplication(pubkeyG1, gamma)),
+		*new(bn254.G1Affine).Add(hash, new(bn254.G1Affine).ScalarMultiplication(bn254util.GetG1Generator(), gamma)),
+	}
+	Q := [2]bn254.G2Affine{
+		*new(bn254.G2Affine).Neg(bn254util.GetG2Generator()),
+		*pubkeyG2,
+	}
+
+	ok, err := bn254.PairingCheck(P[:], Q[:])
+	if err != nil {
+		return false
+	}
+	return ok
+}