feat(evm): tx for creating fun token from coin

CHANGELOG.md

@@ -77,6 +77,7 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 - [#1917](https://github.com/NibiruChain/nibiru/pull/1917) - test(e2e-evm): TypeScript support. Type generation from compiled contracts. Formatter for TS code.
 - [#1922](https://github.com/NibiruChain/nibiru/pull/1922) - feat(evm): tracer option is read from the config.
 - [#1936](https://github.com/NibiruChain/nibiru/pull/1936) - feat(evm): EVM fungible token protobufs and encoding tests
+- [#1946](https://github.com/NibiruChain/nibiru/pull/1946) - feat(evm): tx for creating fun token from coin
 
 #### Dapp modules: perp, spot, oracle, etc
 

proto/eth/evm/v1/events.proto

@@ -43,3 +43,9 @@ message EventBlockBloom {
   // bloom is the bloom filter of the block
   string bloom = 1;
 }
+
+message EventCreateFunTokenFromCoin {
+  string denom = 1;
+  string contract_address = 2;
+  string creator = 3;
+}

proto/eth/evm/v1/tx.proto

@@ -20,6 +20,9 @@ service Msg {
   // UpdateParams defined a governance operation for updating the x/evm module parameters.
   // The authority is hard-coded to the Cosmos SDK x/gov module account
   rpc UpdateParams(MsgUpdateParams) returns (MsgUpdateParamsResponse);
+
+  // CreateFunTokenFromCoin registers existing cosmos coin as an evm erc-20 fungible token contract.
+  rpc CreateFunTokenFromCoin(MsgCreateFunTokenFromCoin) returns (MsgCreateFunTokenFromCoinResponse);
 }
 
 // MsgEthereumTx encapsulates an Ethereum transaction as an SDK message.
@@ -176,3 +179,18 @@ message MsgUpdateParams {
 // MsgUpdateParamsResponse defines the response structure for executing a
 // MsgUpdateParams message.
 message MsgUpdateParamsResponse {}
+
+
+// MsgCreateFunTokenFromCoin: sdk.Msg that registers cosmos denom as an evm erc-20 contract
+message MsgCreateFunTokenFromCoin {
+  string sender = 1 [ (gogoproto.moretags) = "yaml:\"sender\"" ];
+  // cosmos denom. Ex: ibc/abc123def
+  string denom = 2 [ (gogoproto.moretags) = "yaml:\"denom\"" ];
+}
+
+// MsgCreateFunTokenFromCoinResponse is the return value of MsgCreateFunTokenFromCoin
+message MsgCreateFunTokenFromCoinResponse {
+  // NewContractAddress: erc-20 contract address. Ex: 0x123abc456
+  string new_contract_address = 1
+  [ (gogoproto.moretags) = "yaml:\"new_contract_address\"" ];
+}