mirror of
https://github.com/0glabs/0g-chain.git
synced 2024-12-29 17:55:19 +00:00
287 lines
8.8 KiB
Go
287 lines
8.8 KiB
Go
package testutil
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import (
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"context"
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"encoding/hex"
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"fmt"
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"log"
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"math/big"
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"os"
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"time"
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"github.com/stretchr/testify/require"
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sdkmath "cosmossdk.io/math"
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"github.com/cosmos/cosmos-sdk/crypto/hd"
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"github.com/cosmos/cosmos-sdk/crypto/types"
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cryptotypes "github.com/cosmos/cosmos-sdk/crypto/types"
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sdk "github.com/cosmos/cosmos-sdk/types"
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banktypes "github.com/cosmos/cosmos-sdk/x/bank/types"
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"github.com/cosmos/go-bip39"
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"github.com/ethereum/go-ethereum/accounts/abi/bind"
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"github.com/ethereum/go-ethereum/common"
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ethtypes "github.com/ethereum/go-ethereum/core/types"
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"github.com/ethereum/go-ethereum/crypto"
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"github.com/evmos/ethermint/crypto/ethsecp256k1"
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emtests "github.com/evmos/ethermint/tests"
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emtypes "github.com/evmos/ethermint/types"
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"github.com/0glabs/0g-chain/app"
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"github.com/0glabs/0g-chain/tests/util"
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)
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// SigningAccount wraps details about an account and its private keys.
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// It exposes functionality for signing and broadcasting transactions.
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type SigningAccount struct {
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name string
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mnemonic string
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evmPrivKey cryptotypes.PrivKey
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evmSigner *util.EvmSigner
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evmReqChan chan<- util.EvmTxRequest
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evmResChan <-chan util.EvmTxResponse
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kavaSigner *util.KavaSigner
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sdkReqChan chan<- util.KavaMsgRequest
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sdkResChan <-chan util.KavaMsgResponse
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EvmAuth *bind.TransactOpts
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EvmAddress common.Address
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SdkAddress sdk.AccAddress
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gasDenom string
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l *log.Logger
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}
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// GetAccount returns the account with the given name or fails.
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func (chain *Chain) GetAccount(name string) *SigningAccount {
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acc, found := chain.accounts[name]
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if !found {
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chain.t.Fatalf("failed to find account with name %s", name)
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}
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return acc
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}
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// AddNewSigningAccount sets up a new account with a signer for SDK and EVM transactions.
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func (chain *Chain) AddNewSigningAccount(name string, hdPath *hd.BIP44Params, chainId, mnemonic string) *SigningAccount {
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if _, found := chain.accounts[name]; found {
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chain.t.Fatalf("account with name %s already exists", name)
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}
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// Kava signing account for SDK side
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privKeyBytes, err := hd.Secp256k1.Derive()(mnemonic, "", hdPath.String())
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require.NoErrorf(chain.t, err, "failed to derive private key from mnemonic for %s: %s", name, err)
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privKey := ðsecp256k1.PrivKey{Key: privKeyBytes}
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return chain.AddNewSigningAccountFromPrivKey(
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name,
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privKey,
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mnemonic,
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chainId,
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)
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}
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// AddNewSigningAccountFromPrivKey sets up a new account with a signer for SDK and EVM transactions,
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// using the given private key.
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func (chain *Chain) AddNewSigningAccountFromPrivKey(
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name string,
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privKey cryptotypes.PrivKey,
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mnemonic string, // optional
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chainId string,
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) *SigningAccount {
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if _, found := chain.accounts[name]; found {
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chain.t.Fatalf("account with name %s already exists", name)
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}
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// Kava signing account for SDK side
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kavaSigner := util.NewKavaSigner(
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chainId,
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chain.EncodingConfig,
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chain.Grpc.Query.Auth,
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chain.Grpc.Query.Tx,
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privKey,
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100,
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)
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sdkReqChan := make(chan util.KavaMsgRequest)
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sdkResChan, err := kavaSigner.Run(sdkReqChan)
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require.NoErrorf(chain.t, err, "failed to start signer for account %s: %s", name, err)
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// Kava signing account for EVM side
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evmChainId, err := emtypes.ParseChainID(chainId)
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require.NoErrorf(chain.t, err, "unable to parse ethermint-compatible chain id from %s", chainId)
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ecdsaPrivKey, err := crypto.HexToECDSA(hex.EncodeToString(privKey.Bytes()))
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require.NoError(chain.t, err, "failed to generate ECDSA private key from bytes")
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evmSigner, err := util.NewEvmSigner(
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chain.EvmClient,
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ecdsaPrivKey,
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evmChainId,
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)
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require.NoErrorf(chain.t, err, "failed to create evm signer")
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evmReqChan := make(chan util.EvmTxRequest)
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evmResChan := evmSigner.Run(evmReqChan)
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logger := log.New(os.Stdout, fmt.Sprintf("[%s] ", name), log.LstdFlags)
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chain.accounts[name] = &SigningAccount{
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name: name,
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mnemonic: mnemonic,
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l: logger,
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gasDenom: chain.StakingDenom,
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evmPrivKey: privKey,
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evmSigner: evmSigner,
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evmReqChan: evmReqChan,
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evmResChan: evmResChan,
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kavaSigner: kavaSigner,
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sdkReqChan: sdkReqChan,
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sdkResChan: sdkResChan,
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EvmAuth: evmSigner.Auth,
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EvmAddress: evmSigner.Address(),
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SdkAddress: kavaSigner.Address(),
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}
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return chain.accounts[name]
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}
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// SignAndBroadcastKavaTx sends a request to the signer and awaits its response.
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func (a *SigningAccount) SignAndBroadcastKavaTx(req util.KavaMsgRequest) util.KavaMsgResponse {
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a.l.Printf("broadcasting sdk tx. has data = %+v\n", req.Data)
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// send the request to signer
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a.sdkReqChan <- req
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// TODO: timeout awaiting the response.
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// block and await response
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// response is not returned until the msg is committed to a block
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res := <-a.sdkResChan
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// error will be set if response is not Code 0 (success) or Code 19 (already in mempool)
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if res.Err != nil {
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a.l.Printf("response code: %d error: %s\n", res.Result.Code, res.Result.RawLog)
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} else {
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a.l.Printf("response code: %d, hash %s\n", res.Result.Code, res.Result.TxHash)
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}
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return res
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}
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// EvmTxResponse is util.EvmTxResponse that also includes the Receipt, if available
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type EvmTxResponse struct {
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util.EvmTxResponse
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Receipt *ethtypes.Receipt
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}
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// SignAndBroadcastEvmTx sends a request to the signer and awaits its response.
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func (a *SigningAccount) SignAndBroadcastEvmTx(req util.EvmTxRequest) EvmTxResponse {
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a.l.Printf("broadcasting evm tx %+v\n", req.Data)
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// send the request to signer
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a.evmReqChan <- req
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// block and await response
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// response occurs once tx is submitted to pending tx pool.
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// poll for the receipt to wait for it to be included in a block
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res := <-a.evmResChan
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response := EvmTxResponse{
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EvmTxResponse: res,
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}
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// if failed during signing or broadcast, there will never be a receipt.
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if res.Err != nil {
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return response
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}
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// if we don't have a tx receipt within a given timeout, fail the request
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a.l.Printf("awaiting evm tx receipt for tx %s\n", res.TxHash)
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response.Receipt, response.Err = util.WaitForEvmTxReceipt(a.evmSigner.EvmClient, res.TxHash, 10*time.Second)
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return response
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}
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// SignRawEvmData signs raw evm data with the SigningAccount's private key.
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// It does not broadcast the signed data.
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func (a *SigningAccount) SignRawEvmData(msg []byte) ([]byte, types.PubKey, error) {
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keyringSigner := emtests.NewSigner(a.evmPrivKey)
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return keyringSigner.SignByAddress(a.SdkAddress, msg)
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}
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// NewFundedAccount creates a SigningAccount for a random account & funds the account from the whale.
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func (chain *Chain) NewFundedAccount(name string, funds sdk.Coins) *SigningAccount {
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entropy, err := bip39.NewEntropy(128)
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require.NoErrorf(chain.t, err, "failed to generate entropy for account %s: %s", name, err)
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mnemonic, err := bip39.NewMnemonic(entropy)
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require.NoErrorf(chain.t, err, "failed to create new mnemonic for account %s: %s", name, err)
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acc := chain.AddNewSigningAccount(
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name,
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hd.CreateHDPath(app.Bip44CoinType, 0, 0),
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chain.ChainID,
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mnemonic,
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)
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// don't attempt to fund when no funds are desired
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if funds.IsZero() {
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return acc
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}
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whale := chain.GetAccount(FundedAccountName)
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// check that the whale has the necessary balance to fund account
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bal := chain.QuerySdkForBalances(whale.SdkAddress)
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require.Truef(chain.t,
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bal.IsAllGT(funds),
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"funded account lacks funds for account %s\nneeds: %s\nhas: %s", name, funds, bal,
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)
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whale.l.Printf("attempting to fund created account (%s=%s)\n", name, acc.SdkAddress.String())
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res := whale.BankSend(acc.SdkAddress, funds)
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require.NoErrorf(chain.t, res.Err, "failed to fund new account %s: %s", name, res.Err)
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whale.l.Printf("successfully funded [%s]\n", name)
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return acc
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}
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// GetNonce fetches the next nonce / sequence number for the account.
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func (a *SigningAccount) NextNonce() (uint64, error) {
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return a.evmSigner.EvmClient.PendingNonceAt(context.Background(), a.EvmAddress)
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}
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// BankSend is a helper method for sending funds via x/bank's MsgSend
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func (a *SigningAccount) BankSend(to sdk.AccAddress, amount sdk.Coins) util.KavaMsgResponse {
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return a.SignAndBroadcastKavaTx(
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util.KavaMsgRequest{
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Msgs: []sdk.Msg{banktypes.NewMsgSend(a.SdkAddress, to, amount)},
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GasLimit: 2e5, // 200,000 gas
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FeeAmount: sdk.NewCoins(sdk.NewCoin(a.gasDenom, sdkmath.NewInt(200))), // assume min gas price of .001ukava
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Data: fmt.Sprintf("sending %s to %s", amount, to),
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},
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)
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}
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// TransferErc20 is a helper method for sending an erc20 token
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func (a *SigningAccount) TransferErc20(contract, to common.Address, amount *big.Int) (EvmTxResponse, error) {
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data := util.BuildErc20TransferCallData(to, amount)
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nonce, err := a.NextNonce()
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if err != nil {
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return EvmTxResponse{}, err
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}
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req := util.EvmTxRequest{
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Tx: ethtypes.NewTransaction(nonce, contract, big.NewInt(0), 1e5, big.NewInt(1e10), data),
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Data: fmt.Sprintf("fund %s with ERC20 balance (%s)", to.Hex(), amount.String()),
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}
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res := a.SignAndBroadcastEvmTx(req)
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return res, res.Err
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}
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