Fix: eth_estimateGas error when providing gas field (#1741)

Adding 'gas' field to formatting before relaying the call data to the mirror node
Signed-off-by: Alfredo Gutierrez <alfredo@swirldslabs.com>
Signed-off-by: ebadiere <ebadiere@gmail.com>

packages/relay/src/lib/eth.ts

@@ -611,7 +611,9 @@ export class EthImpl implements Eth {
     if (transaction.gasPrice) {
       transaction.gasPrice = parseInt(transaction.gasPrice);
     }
-
+    if (transaction.gas) {
+      transaction.gas = parseInt(transaction.gas);
+    }
     // Support either data or input. https://ethereum.github.io/execution-apis/api-documentation/ lists input but many EVM tools still use data.
     if (transaction.input && transaction.data === undefined) {
       transaction.data = transaction.input;

packages/relay/tests/lib/eth.spec.ts

@@ -3782,11 +3782,13 @@ describe('Eth calls using MirrorNode', async function () {
       data: '0x',
       value: '0xA186B8E9800',
       gasPrice: '0xF4240',
+      gas: '0xd97010',
     };
 
     ethImpl.contractCallFormat(transaction);
     expect(transaction.value).to.eq(1110);
     expect(transaction.gasPrice).to.eq(1000000);
+    expect(transaction.gas).to.eq(14250000);
   });
 
   describe('eth_gasPrice', async function () {