Send mobymask p2p messages to laconicd (#339)

* Use laconic ETH RPC endpoint for querying

* Run peer with message handler to send tx to laconic

* Handle revoke messages in mobymask p2p

* Set tx gasLimit explicitly for slow eth_estimateGas call

* Convert delegationHash to hex string before broadcasting json

packages/erc20-watcher/src/indexer.ts

@@ -158,7 +158,7 @@ export class Indexer implements IndexerInterface {
     if (this._serverMode === ETH_CALL_MODE) {
       const contract = new ethers.Contract(token, this._abi, this._ethProvider);
 
-      // eth_call doesnt support calling method by blockHash https://eth.wiki/json-rpc/API#the-default-block-parameter
+      // eth_call doesn't support calling method by blockHash https://eth.wiki/json-rpc/API#the-default-block-parameter
       const value = await contract.balanceOf(owner, { blockTag: blockHash });
 
       result = {