feat: add support for some json rpc queries (#341)

* feat: add support for some json rpc queries * fix comment
bnb-chain · Nov 1, 2023 · a3c24a5 · a3c24a5
1 parent 771bd5d
commit a3c24a5
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Showing 4 changed files with 39 additions and 9 deletions.
diff --git a/baseapp/abci.go b/baseapp/abci.go
@@ -38,12 +38,18 @@ const (
 
 // Supported EVM json-rpc requests
 const (
-	EthBlockNumber      = "eth_blockNumber"
-	EthGetBlockByNumber = "eth_getBlockByNumber"
-	EthGetBalance       = "eth_getBalance"
-	EthChainID          = "eth_chainId"
-	NetVersion          = "net_version"
-	EthNetworkID        = "eth_networkId"
+	EthBlockNumber         = "eth_blockNumber"
+	EthGetBlockByNumber    = "eth_getBlockByNumber"
+	EthGetBalance          = "eth_getBalance"
+	EthChainID             = "eth_chainId"
+	NetVersion             = "net_version"
+	EthNetworkID           = "eth_networkId"
+	EthGasPrice            = "eth_gasPrice"
+	EthGetCode             = "eth_getCode"
+	EthEstimateGas         = "eth_estimateGas"
+	EthCall                = "eth_call"
+	EthGetTransactionCount = "eth_getTransactionCount"
+	EthSendRawTransaction  = "eth_sendRawTransaction"
 )
 
 // InitChain implements the ABCI interface. It runs the initialization logic

diff --git a/baseapp/ethrouter.go b/baseapp/ethrouter.go
@@ -64,6 +64,12 @@ func (e *EthQueryRouter) RegisterConstHandler() {
 	e.AddRoute(EthNetworkID, chainIdHandler)
 	e.AddRoute(EthChainID, chainIdHandler)
 	e.AddRoute(NetVersion, chainIdHandler)
+	e.AddRoute(EthGasPrice, gasPriceHandler)
+	e.AddRoute(EthGetCode, chainIdHandler)                         // return dummy result
+	e.AddRoute(EthEstimateGas, estimateGasHandler)                 // return dummy result
+	e.AddRoute(EthCall, chainIdHandler)                            // return dummy result
+	e.AddRoute(EthGetTransactionCount, getTransactionCountHandler) // return dummy result
+	e.AddRoute(EthSendRawTransaction, chainIdHandler)              // return dummy result
 }
 
 func blockNumberHandler(ctx sdk.Context, req cmtrpctypes.RPCRequest) (abci.ResponseEthQuery, error) {
@@ -72,6 +78,24 @@ func blockNumberHandler(ctx sdk.Context, req cmtrpctypes.RPCRequest) (abci.Respo
 	return res, nil
 }
 
+func gasPriceHandler(ctx sdk.Context, req cmtrpctypes.RPCRequest) (abci.ResponseEthQuery, error) {
+	var res abci.ResponseEthQuery
+	res.Response = big.NewInt(5e9).Bytes()
+	return res, nil
+}
+
+func estimateGasHandler(ctx sdk.Context, req cmtrpctypes.RPCRequest) (abci.ResponseEthQuery, error) {
+	var res abci.ResponseEthQuery
+	res.Response = big.NewInt(21000).Bytes()
+	return res, nil
+}
+
+func getTransactionCountHandler(ctx sdk.Context, req cmtrpctypes.RPCRequest) (abci.ResponseEthQuery, error) {
+	var res abci.ResponseEthQuery
+	res.Response = big.NewInt(1).Bytes()
+	return res, nil
+}
+
 func chainIdHandler(ctx sdk.Context, req cmtrpctypes.RPCRequest) (abci.ResponseEthQuery, error) {
 	var res abci.ResponseEthQuery
 	eip155ChainID, err := sdk.ParseChainID(ctx.ChainID())

diff --git a/go.mod b/go.mod
@@ -170,7 +170,7 @@ replace (
 	github.com/99designs/keyring => github.com/cosmos/keyring v1.2.0
 	github.com/btcsuite/btcd => github.com/btcsuite/btcd v0.23.0
 
-	github.com/cometbft/cometbft => github.com/bnb-chain/greenfield-cometbft v0.0.3
+	github.com/cometbft/cometbft => github.com/bnb-chain/greenfield-cometbft v0.0.0-20231030090949-99ef7dbd1e62
 	github.com/cometbft/cometbft-db => github.com/bnb-chain/greenfield-cometbft-db v0.8.1-alpha.1
 	github.com/cosmos/iavl => github.com/bnb-chain/greenfield-iavl v0.20.1
 

diff --git a/go.sum b/go.sum
@@ -228,8 +228,8 @@ github.com/bgentry/speakeasy v0.1.1-0.20220910012023-760eaf8b6816/go.mod h1:+zsy
 github.com/bkielbasa/cyclop v1.2.0/go.mod h1:qOI0yy6A7dYC4Zgsa72Ppm9kONl0RoIlPbzot9mhmeI=
 github.com/blizzy78/varnamelen v0.8.0/go.mod h1:V9TzQZ4fLJ1DSrjVDfl89H7aMnTvKkApdHeyESmyR7k=
 github.com/bmizerany/pat v0.0.0-20170815010413-6226ea591a40/go.mod h1:8rLXio+WjiTceGBHIoTvn60HIbs7Hm7bcHjyrSqYB9c=
-github.com/bnb-chain/greenfield-cometbft v0.0.3 h1:tv8NMy3bzX/1urqXGQIIAZSLy83loiI+dG0VKeyh1CY=
-github.com/bnb-chain/greenfield-cometbft v0.0.3/go.mod h1:f35mk/r5ab6yvzlqEWZt68LfUje68sYgMpVlt2CUYMk=
+github.com/bnb-chain/greenfield-cometbft v0.0.0-20231030090949-99ef7dbd1e62 h1:pakuREXV/XfWNwgsTXUQwYirem12Tt+2LGGHIar0z8o=
+github.com/bnb-chain/greenfield-cometbft v0.0.0-20231030090949-99ef7dbd1e62/go.mod h1:43yICrTxu90VjEUpQN23bsqi9mua5m5sFQq/ekHwN9s=
 github.com/bnb-chain/greenfield-cometbft-db v0.8.1-alpha.1 h1:XcWulGacHVRiSCx90Q8Y//ajOrLNBQWR/KDB89dy3cU=
 github.com/bnb-chain/greenfield-cometbft-db v0.8.1-alpha.1/go.mod h1:ey1CiK4bYo1RBNJLRiVbYr5CMdSxci9S/AZRINLtppI=
 github.com/bnb-chain/greenfield-iavl v0.20.1 h1:y3L64GU99otNp27/xLVBTDbv4eroR6CzoYz0rbaVotM=