fix: cast send --legacy support (#27)

* fix: cast send --legacy support

* changelog

---------

Co-authored-by: Eric Warehime <[email protected]>

Author: reecepbcups

CHANGELOG.md

@@ -10,6 +10,7 @@
 ### BUG FIXES
 
 - Fixed example chain's cmd by adding NoOpEVMOptions to tmpApp in root.go
+- Added RPC support for `--legacy` transactions (Non EIP-1559)
 
 ### IMPROVEMENTS
 

rpc/backend/tx_info.go

@@ -241,6 +241,9 @@ func (b *Backend) GetTransactionReceipt(hash common.Hash) (map[string]interface{
 		"blockNumber":      hexutil.Uint64(res.Height),     //nolint:gosec // G115 // won't exceed uint64
 		"transactionIndex": hexutil.Uint64(res.EthTxIndex), //nolint:gosec // G115 // no int overflow expected here
 
+		// https://github.com/foundry-rs/foundry/issues/7640
+		"effectiveGasPrice": (*hexutil.Big)(txData.GetGasPrice()),
+
 		// sender and receiver (contract or EOA) addreses
 		"from": from,
 		"to":   txData.GetTo(),