mirror of
https://github.com/0glabs/0g-chain.git
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0c02c27a9d
* feat: use gov to manage dasigners params * feat: evm precompile query func * test: unit test * feat: remove epoch and block height hard check * feat: add params event
105 lines
3.1 KiB
Go
105 lines
3.1 KiB
Go
package keeper
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import (
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"context"
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errorsmod "cosmossdk.io/errors"
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"github.com/0glabs/0g-chain/crypto/bn254util"
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"github.com/0glabs/0g-chain/x/dasigners/v1/types"
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sdk "github.com/cosmos/cosmos-sdk/types"
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gov "github.com/cosmos/cosmos-sdk/x/gov/types"
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"github.com/ethereum/go-ethereum/common"
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etherminttypes "github.com/evmos/ethermint/types"
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)
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var _ types.MsgServer = &Keeper{}
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func (k Keeper) ChangeParams(goCtx context.Context, msg *types.MsgChangeParams) (*types.MsgChangeParamsResponse, error) {
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ctx := sdk.UnwrapSDKContext(goCtx)
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// validate authority
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if k.authority != msg.Authority {
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return nil, errorsmod.Wrapf(gov.ErrInvalidSigner, "expected %s got %s", k.authority, msg.Authority)
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}
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// save params
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k.SetParams(ctx, *msg.Params)
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return &types.MsgChangeParamsResponse{}, nil
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}
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func (k Keeper) RegisterSigner(goCtx context.Context, msg *types.MsgRegisterSigner) (*types.MsgRegisterSignerResponse, error) {
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ctx := sdk.UnwrapSDKContext(goCtx)
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// validate sender
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err := k.CheckDelegations(ctx, msg.Signer.Account)
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if err != nil {
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return nil, err
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}
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_, found, err := k.GetSigner(ctx, msg.Signer.Account)
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if err != nil {
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return nil, err
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}
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if found {
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return nil, types.ErrSignerExists
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}
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// validate signature
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chainID, err := etherminttypes.ParseChainID(ctx.ChainID())
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if err != nil {
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return nil, err
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}
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hash := types.PubkeyRegistrationHash(common.HexToAddress(msg.Signer.Account), chainID)
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if !msg.Signer.ValidateSignature(hash, bn254util.DeserializeG1(msg.Signature)) {
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return nil, types.ErrInvalidSignature
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}
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// save signer
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if err := k.SetSigner(ctx, *msg.Signer); err != nil {
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return nil, err
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}
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return &types.MsgRegisterSignerResponse{}, nil
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}
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func (k Keeper) UpdateSocket(goCtx context.Context, msg *types.MsgUpdateSocket) (*types.MsgUpdateSocketResponse, error) {
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ctx := sdk.UnwrapSDKContext(goCtx)
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signer, found, err := k.GetSigner(ctx, msg.Account)
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if err != nil {
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return nil, err
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}
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if !found {
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return nil, types.ErrSignerNotFound
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}
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signer.Socket = msg.Socket
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if err := k.SetSigner(ctx, signer); err != nil {
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return nil, err
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}
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return &types.MsgUpdateSocketResponse{}, nil
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}
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func (k Keeper) RegisterNextEpoch(goCtx context.Context, msg *types.MsgRegisterNextEpoch) (*types.MsgRegisterNextEpochResponse, error) {
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ctx := sdk.UnwrapSDKContext(goCtx)
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// get signer
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err := k.CheckDelegations(ctx, msg.Account)
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if err != nil {
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return nil, err
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}
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signer, found, err := k.GetSigner(ctx, msg.Account)
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if err != nil {
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return nil, err
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}
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if !found {
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return nil, types.ErrSignerNotFound
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}
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// validate signature
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epochNumber, err := k.GetEpochNumber(ctx)
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if err != nil {
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return nil, err
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}
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chainID, err := etherminttypes.ParseChainID(ctx.ChainID())
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if err != nil {
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return nil, err
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}
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hash := types.EpochRegistrationHash(common.HexToAddress(msg.Account), epochNumber+1, chainID)
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if !signer.ValidateSignature(hash, bn254util.DeserializeG1(msg.Signature)) {
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return nil, types.ErrInvalidSignature
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}
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// save registration
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k.SetRegistration(ctx, epochNumber+1, msg.Account, msg.Signature)
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return &types.MsgRegisterNextEpochResponse{}, nil
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}
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