Add non-0 block gas limit. (#244)

Author: jnaviask

frame/ethereum/src/lib.rs

@@ -298,7 +298,7 @@ impl<T: Config> Module<T> {
 					frame_system::Module::<T>::block_number()
 				)
 			),
-			gas_limit: U256::zero(), // TODO: set this using Ethereum's gas limit change algorithm.
+			gas_limit: U256::from(u32::max_value()), // TODO: set this using Ethereum's gas limit change algorithm.
 			gas_used: receipts.clone().into_iter().fold(U256::zero(), |acc, r| acc + r.used_gas),
 			timestamp: UniqueSaturatedInto::<u64>::unique_saturated_into(
 				pallet_timestamp::Module::<T>::get()

ts-tests/tests/test-block.ts

@@ -21,14 +21,14 @@ describeWithFrontier("Frontier RPC (Block)", `simple-specs.json`, (context) => {
 			author: "0x0000000000000000000000000000000000000000",
 			difficulty: "0",
 			extraData: "0x",
-			gasLimit: 0,
+			gasLimit: 4294967295,
 			gasUsed: 0,
 			logsBloom:
 				"0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
 			miner: "0x0000000000000000000000000000000000000000",
 			number: 0,
 			receiptsRoot: "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347",
-			size: 501,
+			size: 505,
 			timestamp: 0,
 			totalDifficulty: null,
 		});
@@ -77,7 +77,7 @@ describeWithFrontier("Frontier RPC (Block)", `simple-specs.json`, (context) => {
 			author: "0x0000000000000000000000000000000000000000",
 			difficulty: "0",
 			extraData: "0x",
-			gasLimit: 0,
+			gasLimit: 4294967295,
 			gasUsed: 0,
 			//hash: "0x14fe6f7c93597f79b901f8b5d7a84277a90915b8d355959b587e18de34f1dc17",
 			logsBloom:
@@ -86,7 +86,7 @@ describeWithFrontier("Frontier RPC (Block)", `simple-specs.json`, (context) => {
 			number: 1,
 			//parentHash: "0x04540257811b46d103d9896e7807040e7de5080e285841c5430d1a81588a0ce4",
 			receiptsRoot: "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347",
-			size: 503,
+			size: 507,
 			timestamp: 6,
 			totalDifficulty: null,
 			//transactions: [],