fix EIP1559 support: set maxPriorityFee in config

api.json

@@ -120,9 +120,10 @@
 		"interval": "20m",
 		"daemon": "http://127.0.0.1:8545",
 		"timeout": "10s",
-		"address": "0x9dd0226060b6d9644066029f4993CB2A40cF775D",
+		"address": "0xd92fa5a9732a0aec36dc8d5a6a1305dc2d3e09e6",
 		"gas": "21000",
 		"gasPrice": "50000000000",
+		"maxPriorityFee": "2000000000",
 		"autoGas": true,
 		"threshold": 500000000,
 		"bgsave": false,

payouts/payer.go

@@ -29,6 +29,7 @@ type PayoutsConfig struct {
 	Gas            string `json:"gas"`
 	GasPrice       string `json:"gasPrice"`
 	AutoGas        bool   `json:"autoGas"`
+	MaxPriorityFee string `json:"maxPriorityFee"`
 	// In Shannon
 	Threshold    int64 `json:"threshold"`
 	BgSave       bool  `json:"bgsave"`
@@ -45,6 +46,11 @@ func (self PayoutsConfig) GasPriceHex() string {
 	return hexutil.EncodeBig(x)
 }
 
+func (self PayoutsConfig) MaxPriorityFeeHex() string {
+	x := util.String2Big(self.MaxPriorityFee)
+	return hexutil.EncodeBig(x)
+}
+
 type PayoutsProcessor struct {
 	config   *PayoutsConfig
 	backend  *storage.RedisClient
@@ -179,7 +185,7 @@ func (u *PayoutsProcessor) process() {
 		}
 
 		value := hexutil.EncodeBig(amountInWei)
-		txHash, err := u.rpc.SendTransaction(u.config.Address, login, u.config.GasHex(), u.config.GasPriceHex(), value, u.config.AutoGas)
+		txHash, err := u.rpc.SendTransaction(u.config.Address, login, u.config.GasHex(), u.config.GasPriceHex(), u.config.MaxPriorityFeeHex(), value, u.config.AutoGas)
 		if err != nil {
 			log.Printf("Failed to send payment to %s, %v Shannon: %v. Check outgoing tx for %s in block explorer and docs/PAYOUTS.md",
 				login, amount, err, login)

rpc/rpc.go

@@ -206,15 +206,20 @@ func (r *RPCClient) GetPeerCount() (int64, error) {
 	return strconv.ParseInt(strings.Replace(reply, "0x", "", -1), 16, 64)
 }
 
-func (r *RPCClient) SendTransaction(from, to, gas, gasPrice, value string, autoGas bool) (string, error) {
+func (r *RPCClient) SendTransaction(from, to, gas, gasPrice, maxPriorityFee, value string, autoGas bool) (string, error) {
 	params := map[string]string{
 		"from":  from,
 		"to":    to,
 		"value": value,
 	}
 	if !autoGas {
+		// Sends as Legacy TX
 		params["gas"] = gas
 		params["gasPrice"] = gasPrice
+	} else {
+		// Sends as EIP1559 TX
+		params["gas"] = gas
+		params["maxPriorityFeePerGas"] = maxPriorityFee
 	}
 	rpcResp, err := r.doPost(r.Url, "eth_sendTransaction", []interface{}{params})
 	var reply string