eth-tracker/internal/chain/revert.go

56 lines
1.5 KiB
Go

package chain
import (
"context"
"math/big"
"github.com/celo-org/celo-blockchain/common"
"github.com/celo-org/celo-blockchain/core/types"
"github.com/grassrootseconomics/w3-celo"
"github.com/grassrootseconomics/w3-celo/module/eth"
)
func (c *Chain) GetRevertReason(ctx context.Context, txHash common.Hash, blockNumber *big.Int) (string, error) {
return c.provider.SimulateRevertedTx(ctx, txHash, blockNumber)
}
func (c *Chain) TestDecodeTransfer(ctx context.Context, logs []*types.Log) {
signature := "Transfer(address indexed _from, address indexed _to, uint256 _value)"
eventTransfer := w3.MustNewEvent(signature)
for _, log := range logs {
if log.Topics[0] == w3.H("0xddf252ad1be2c89b69c2b068fc378daa952ba7f163c4a11628f55a4df523b3ef") {
var (
from common.Address
to common.Address
value big.Int
tokenSymbol string
tokenDecimals big.Int
)
if err := c.provider.Client.CallCtx(
ctx,
eth.CallFunc(log.Address, w3.MustNewFunc("symbol()", "string")).Returns(&tokenSymbol),
eth.CallFunc(log.Address, w3.MustNewFunc("decimals()", "uint256")).Returns(&tokenDecimals),
); err != nil {
c.logg.Error("token details fetcher", "error", err)
}
if err := eventTransfer.DecodeArgs(log, &from, &to, &value); err != nil {
c.logg.Error("event decoder", "error", err)
}
c.logg.Info("transfer event",
"hash", log.TxHash,
"token", tokenSymbol,
"from", from,
"to", to,
"value", value.Uint64(),
)
}
}
}