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rpc: support query historical state for GetTransactionCount (#241)

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Closes #240
This commit is contained in:
yihuang 2021-07-09 14:19:20 +08:00 committed by GitHub
parent 623863231b
commit d0b890b794
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GPG Key ID: 4AEE18F83AFDEB23
1 changed files with 20 additions and 6 deletions
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26
ethereum/rpc/namespaces/eth/api.go
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@ -5,18 +5,21 @@ import (
"context"
"fmt"
"math/big"
"strconv"
"strings"
"github.com/gogo/protobuf/jsonpb"
"github.com/pkg/errors"
"github.com/spf13/viper"
log "github.com/xlab/suplog"
"google.golang.org/grpc/metadata"
"github.com/cosmos/cosmos-sdk/client"
"github.com/cosmos/cosmos-sdk/client/flags"
codectypes "github.com/cosmos/cosmos-sdk/codec/types"
"github.com/cosmos/cosmos-sdk/crypto/keyring"
sdk "github.com/cosmos/cosmos-sdk/types"
grpctypes "github.com/cosmos/cosmos-sdk/types/grpc"
authtx "github.com/cosmos/cosmos-sdk/x/auth/tx"
authtypes "github.com/cosmos/cosmos-sdk/x/auth/types"
@ -257,7 +260,7 @@ func (e *PublicAPI) GetTransactionCount(address common.Address, blockNum rpctype
}
includePending := blockNum == rpctypes.EthPendingBlockNumber
nonce, err := getAccountNonce(e.clientCtx, e.backend, address, includePending, e.logger)
nonce, err := e.getAccountNonce(address, includePending, blockNum.TmHeight(), e.logger)
if err != nil {
return nil, err
}
@ -582,7 +585,7 @@ func (e *PublicAPI) doCall(
}
includePending := blockNr == rpctypes.EthPendingBlockNumber
seq, err := getAccountNonce(e.clientCtx, e.backend, *args.From, includePending, e.logger)
seq, err := e.getAccountNonce(*args.From, includePending, blockNr.TmHeight(), e.logger)
if err != nil {
return nil, err
}
@ -1079,7 +1082,7 @@ func (e *PublicAPI) setTxDefaults(args rpctypes.SendTxArgs) (rpctypes.SendTxArgs
if args.Nonce == nil {
// get the nonce from the account retriever
// ignore error in case tge account doesn't exist yet
nonce, _ := getAccountNonce(e.clientCtx, e.backend, args.From, true, e.logger)
nonce, _ := e.getAccountNonce(args.From, true, nil, e.logger)
args.Nonce = (*hexutil.Uint64)(&nonce)
}
@ -1137,11 +1140,22 @@ func (e *PublicAPI) setTxDefaults(args rpctypes.SendTxArgs) (rpctypes.SendTxArgs
// If the pending value is true, it will iterate over the mempool (pending)
// txs in order to compute and return the pending tx sequence.
// Todo: include the ability to specify a blockNumber
func getAccountNonce(ctx client.Context, backend backend.Backend, accAddr common.Address, pending bool, logger log.Logger) (uint64, error) {
_, nonce, err := ctx.AccountRetriever.GetAccountNumberSequence(ctx, accAddr.Bytes())
func (e *PublicAPI) getAccountNonce(accAddr common.Address, pending bool, height *int64, logger log.Logger) (uint64, error) {
ctx := e.ctx
if height != nil {
ctx = metadata.AppendToOutgoingContext(e.ctx, grpctypes.GRPCBlockHeightHeader, strconv.FormatInt(*height, 10))
}
queryClient := authtypes.NewQueryClient(e.clientCtx)
res, err := queryClient.Account(ctx, &authtypes.QueryAccountRequest{Address: sdk.AccAddress(accAddr.Bytes()).String()})
if err != nil {
return 0, err
}
var acc authtypes.AccountI
if err := e.clientCtx.InterfaceRegistry.UnpackAny(res.Account, &acc); err != nil {
return 0, err
}
nonce := acc.GetSequence()
if !pending {
return nonce, nil
@ -1149,7 +1163,7 @@ func getAccountNonce(ctx client.Context, backend backend.Backend, accAddr common
// the account retriever doesn't include the uncommitted transactions on the nonce so we need to
// to manually add them.
pendingTxs, err := backend.PendingTransactions()
pendingTxs, err := e.backend.PendingTransactions()
if err != nil {
logger.Errorln("fails to fetch pending transactions")
return nonce, nil