mirror of
https://github.com/0glabs/0g-chain.git
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ffd306ef52
* add grpc client * add e2e tests for grpc client * add grpc client readme * doc update * fix more doc issues * remove util namespace & move grpc client to chain * rename GrpcClient to Grpc * add 3rd party query clients * fix invalid url in readme * update e2e tests to use grpc client (#1787)
110 lines
3.1 KiB
Go
110 lines
3.1 KiB
Go
package testutil
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import (
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"context"
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"github.com/cosmos/cosmos-sdk/client"
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codectypes "github.com/cosmos/cosmos-sdk/codec/types"
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sdk "github.com/cosmos/cosmos-sdk/types"
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"github.com/cosmos/cosmos-sdk/types/tx/signing"
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"github.com/cosmos/cosmos-sdk/x/auth/migrations/legacytx"
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authtx "github.com/cosmos/cosmos-sdk/x/auth/tx"
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authtypes "github.com/cosmos/cosmos-sdk/x/auth/types"
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"github.com/ethereum/go-ethereum/crypto"
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"github.com/evmos/ethermint/ethereum/eip712"
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emtypes "github.com/evmos/ethermint/types"
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evmtypes "github.com/evmos/ethermint/x/evm/types"
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)
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// NewEip712TxBuilder is a helper method for creating an EIP712 signed tx
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// A tx like this is what a user signing cosmos messages with Metamask would broadcast.
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func (suite *E2eTestSuite) NewEip712TxBuilder(
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acc *SigningAccount, chain *Chain, gas uint64, gasAmount sdk.Coins, msgs []sdk.Msg, memo string,
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) client.TxBuilder {
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// get account details
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var accDetails authtypes.AccountI
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a, err := chain.Grpc.Query.Auth.Account(context.Background(), &authtypes.QueryAccountRequest{
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Address: acc.SdkAddress.String(),
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})
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suite.NoError(err)
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err = chain.EncodingConfig.InterfaceRegistry.UnpackAny(a.Account, &accDetails)
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suite.NoError(err)
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// get nonce & acc number
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nonce := accDetails.GetSequence()
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accNumber := accDetails.GetAccountNumber()
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// get chain id
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pc, err := emtypes.ParseChainID(chain.ChainID)
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suite.NoError(err)
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ethChainId := pc.Uint64()
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evmParams, err := chain.Grpc.Query.Evm.Params(context.Background(), &evmtypes.QueryParamsRequest{})
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suite.NoError(err)
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fee := legacytx.NewStdFee(gas, gasAmount)
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// build EIP712 tx
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// -- untyped data
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untypedData := eip712.ConstructUntypedEIP712Data(
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chain.ChainID,
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accNumber,
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nonce,
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0, // no timeout
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fee,
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msgs,
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memo,
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nil,
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)
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// -- typed data
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typedData, err := eip712.WrapTxToTypedData(ethChainId, msgs, untypedData, &eip712.FeeDelegationOptions{
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FeePayer: acc.SdkAddress,
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}, evmParams.Params)
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suite.NoError(err)
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// -- raw data hash!
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data, err := eip712.ComputeTypedDataHash(typedData)
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suite.NoError(err)
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// -- sign the hash
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signature, pubKey, err := acc.SignRawEvmData(data)
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suite.NoError(err)
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signature[crypto.RecoveryIDOffset] += 27 // Transform V from 0/1 to 27/28 according to the yellow paper
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// add ExtensionOptionsWeb3Tx extension
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var option *codectypes.Any
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option, err = codectypes.NewAnyWithValue(&emtypes.ExtensionOptionsWeb3Tx{
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FeePayer: acc.SdkAddress.String(),
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TypedDataChainID: ethChainId,
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FeePayerSig: signature,
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})
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suite.NoError(err)
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// create cosmos sdk tx builder
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txBuilder := chain.EncodingConfig.TxConfig.NewTxBuilder()
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builder, ok := txBuilder.(authtx.ExtensionOptionsTxBuilder)
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suite.True(ok)
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builder.SetExtensionOptions(option)
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builder.SetFeeAmount(fee.Amount)
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builder.SetGasLimit(fee.Gas)
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sigsV2 := signing.SignatureV2{
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PubKey: pubKey,
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Data: &signing.SingleSignatureData{
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SignMode: signing.SignMode_SIGN_MODE_LEGACY_AMINO_JSON,
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},
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Sequence: nonce,
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}
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err = builder.SetSignatures(sigsV2)
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suite.Require().NoError(err)
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err = builder.SetMsgs(msgs...)
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suite.Require().NoError(err)
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builder.SetMemo(memo)
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return builder
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}
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