fix create with 1559 bug (#799)

* fix create with 1559 bug

* update changelog

Author: MrChico

src/dapp-tests/integration/tests.sh

@@ -50,6 +50,10 @@ dapp_testnet() {
   # dynamic fee transaction (EIP-1559)
   seth send "$A_ADDR" "on()" --gas 0xffff --password /dev/null --from "$ACC" --keystore "$TMPDIR"/8545/keystore --prio-fee 2gwei --gas-price 10gwei
 
+  B_ADDR=$(seth send --create 0x647175696e6550383480393834f3 --gas 0xffff --password /dev/null --from "$ACC" --keystore "$TMPDIR"/8545/keystore --prio-fee 2gwei --gas-price 10gwei)
+
+  [[ $(seth code "$B_ADDR") = 0x647175696e6550383480393834f3 ]] || error
+
   # clean up
   killall geth
 }

src/ethsign/CHANGELOG

@@ -4,6 +4,12 @@ All notable changes to this project will be documented in this file.
 The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
 and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
 
+## Unreleased
+
+### Fixed
+
+Contract creations with Dynamic fee transactions.
+
 ## [0.17.0] - 2020-02-03
 
 ### Changed

src/ethsign/ethsign.go

@@ -398,7 +398,7 @@ func main() {
 					} else if txtype == types.DynamicFeeTxType {
 						tx = types.NewTx(&types.DynamicFeeTx{
 							Nonce:     nonce,
-							To:        &common.Address{},
+							To:        nil,
 							Value:     value,
 							Gas:       gasLimit,
 							GasFeeCap: gasPrice,

src/seth/CHANGELOG.md

@@ -6,6 +6,11 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ## Unreleased
 
+### Fixed
+
+Contract creations with Dynamic fee transactions.
+
+
 ### Changed
 
 - `seth 4byte` command returns the response from querying [4byte.directory](https://www.4byte.directory/) for a given function signature