Submitter: add gas price multiplier

[dwasse]

See #2462 (comment)

[greptile-apps]

To add a gas price multiplier to the SubmitTransaction method in submitter.go, follow these steps:

1. Locate setGasPrice Method: Open ethergo/submitter/submitter.go and find the setGasPrice method.

2. Add Multiplier Parameter: Modify the setGasPrice method to accept a multiplier parameter.

func (t *txSubmitterImpl) setGasPrice(ctx context.Context, client client.EVM, transactor *bind.TransactOpts, bigChainID *big.Int, prevTx *types.Transaction, multiplier float64) (err error) {

3. Apply Multiplier: Apply the multiplier to the gas price calculations within the setGasPrice method.

transactor.GasPrice = gas.BumpByPercent(core.CopyBigInt(prevTx.GasPrice()), bumpPct)
transactor.GasPrice = new(big.Int).Mul(transactor.GasPrice, big.NewInt(int64(multiplier * 100)))
transactor.GasPrice = new(big.Int).Div(transactor.GasPrice, big.NewInt(100))

4. Update Calls to setGasPrice: Ensure all calls to setGasPrice pass the multiplier parameter. For example, in the SubmitTransaction method:

err = t.setGasPrice(ctx, chainClient, transactor, chainID, nil, 1.2) // Example multiplier of 1.2

This will apply the gas price multiplier to the transaction submission process.

References

/ethergo/submitter/submitter.go
/ethergo/submitter/README.md

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