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Support for non-18 decimals in custom fee token #24

Merged
merged 18 commits into from
Jul 9, 2024
Merged

Support for non-18 decimals in custom fee token #24

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276a9de
Add supoprt for custom number of decimals used for fee token
gvladika Jan 8, 2024
4f60f8c
Add decimals param to test-node.bash
gvladika Jan 8, 2024
ddc75ce
Adjust values
gvladika Jan 8, 2024
2148cc5
Approve correct amount
gvladika Jan 10, 2024
ab17b3c
Merge branch 'master' into non18-decimal-token
gvladika Feb 8, 2024
9e3dc84
Move token deployment to separate function
gvladika Feb 8, 2024
027c69a
Merge branch 'decouple-contracts' into non18-decimal-token
gvladika Apr 19, 2024
83476e2
Adjust token amounts
gvladika Apr 19, 2024
cc2ead1
Mint all to deployer
gvladika Apr 19, 2024
5789086
Fix amounts
gvladika Apr 19, 2024
1f88575
Merge branch 'decouple-contracts' into non18-decimal-token
gvladika Apr 23, 2024
917fcae
Merge branch 'release' into non18-decimal-token
gvladika Apr 29, 2024
fb09a19
Merge branch 'release' into non18-decimal-token
gvladika May 9, 2024
06fe680
Merge branch 'release' into non18-decimal-token
gvladika Jun 19, 2024
e8e187b
Fix funding the L3 accounts in case of fee token
gvladika Jun 19, 2024
a964b2d
Merge branch 'release' into non18-decimal-token
gzeoneth Jul 4, 2024
ba9f2f9
Merge branch 'release' into non18-decimal-token
tsahee Jul 8, 2024
3af86a0
Properly check that native bridging was successful
gvladika Jul 9, 2024
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108 changes: 74 additions & 34 deletions scripts/ethcommands.ts
View file
Open in desktop
Original file line number Diff line number Diff line change
@@ -1,9 +1,8 @@
import { runStress } from "./stress";
import { ContractFactory, ethers, Wallet } from "ethers";
import { BigNumber, ContractFactory, ethers, Wallet } from "ethers";
import * as consts from "./consts";
import { namedAccount, namedAddress } from "./accounts";
import * as L1GatewayRouter from "@arbitrum/token-bridge-contracts/build/contracts/contracts/tokenbridge/ethereum/gateway/L1GatewayRouter.sol/L1GatewayRouter.json";
import * as ERC20PresetFixedSupplyArtifact from "@openzeppelin/contracts/build/contracts/ERC20PresetFixedSupply.json";
import * as ERC20 from "@openzeppelin/contracts/build/contracts/ERC20.json";
import * as fs from "fs";
const path = require("path");
Expand Down Expand Up @@ -59,32 +58,84 @@ async function bridgeNativeToken(argv: any, parentChainUrl: string, chainUrl: st

argv.to = "address_" + inboxAddr;

/// approve inbox to use fee token
// snapshot balance before deposit
const childProvider = new ethers.providers.WebSocketProvider(chainUrl);
const bridger = namedAccount(argv.from, argv.threadId).connect(childProvider)
const bridgerBalanceBefore = await bridger.getBalance()

// get token contract
const bridgerParentChain = namedAccount(argv.from, argv.threadId).connect(argv.provider)
const nativeTokenContract = new ethers.Contract(token, ERC20.abi, bridgerParentChain)
await nativeTokenContract.approve(inboxAddr, ethers.utils.parseEther(argv.amount))

// scale deposit amount
const decimals = await nativeTokenContract.decimals()
const depositAmount = BigNumber.from(argv.amount).mul(BigNumber.from('10').pow(decimals))

/// approve inbox to use fee token
await nativeTokenContract.approve(inboxAddr, depositAmount)

/// deposit fee token
const iface = new ethers.utils.Interface(["function depositERC20(uint256 amount)"])
argv.data = iface.encodeFunctionData("depositERC20", [ethers.utils.parseEther(argv.amount)]);
argv.data = iface.encodeFunctionData("depositERC20", [depositAmount]);

await runStress(argv, sendTransaction);

argv.provider.destroy();
if (argv.wait) {
const childProvider = new ethers.providers.WebSocketProvider(chainUrl);
const bridger = namedAccount(argv.from, argv.threadId).connect(childProvider)
const sleep = (ms: number) => new Promise(r => setTimeout(r, ms));

// calculate amount being minted on child chain
let expectedMintedAmount = depositAmount
if(decimals < 18) {
// inflate up to 18 decimals
expectedMintedAmount = depositAmount.mul(BigNumber.from('10').pow(18 - decimals))
} else if(decimals > 18) {
// deflate down to 18 decimals, rounding up
const quotient = BigNumber.from('10').pow(decimals - 18)
expectedMintedAmount = depositAmount.div(quotient)
if(expectedMintedAmount.mul(quotient).lt(depositAmount)) {
expectedMintedAmount = expectedMintedAmount.add(1)
}
}

while (true) {
const balance = await bridger.getBalance()
if (balance.gte(ethers.utils.parseEther(argv.amount))) {
const bridgerBalanceAfter = await bridger.getBalance()
if (bridgerBalanceAfter.sub(bridgerBalanceBefore).eq(expectedMintedAmount)) {
return
}
await sleep(100)
}
}
}

async function deployERC20Contract(deployerWallet: Wallet, decimals: number): Promise<string> {
//// Bytecode below is generated from this simple ERC20 token contract which uses custom number of decimals

// pragma solidity 0.8.16;
//
// import {ERC20} from "lib/openzeppelin-contracts/contracts/token/ERC20/ERC20.sol";
//
// contract TestToken is ERC20 {
// uint8 private immutable _decimals;
//
// constructor(uint8 decimals_, address mintTo) ERC20("testnode", "TN") {
// _decimals = decimals_;
// _mint(mintTo, 1_000_000_000 * 10 ** decimals_);
// }
//
// function decimals() public view virtual override returns (uint8) {
// return _decimals;
// }
// }

const erc20TokenBytecode = "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";
const abi = ["constructor(uint8 decimals_, address mintTo)"];
const tokenFactory = new ContractFactory(abi, erc20TokenBytecode, deployerWallet);
const token = await tokenFactory.deploy(decimals, deployerWallet.address);
await token.deployTransaction.wait();

return token.address;
}

export const bridgeFundsCommand = {
command: "bridge-funds",
Expand Down Expand Up @@ -192,14 +243,15 @@ export const createERC20Command = {
string: true,
describe: "account (see general help)"
},
mintTo: {
string: true,
describe: "account (see general help)",
},
bridgeable: {
boolean: true,
describe: "if true, deploy on L1 and bridge to L2",
},
decimals: {
string: true,
describe: "number of decimals for token",
default: "18",
},
},
handler: async (argv: any) => {
console.log("create-erc20");
Expand All @@ -220,20 +272,15 @@ export const createERC20Command = {
l1provider
);

const tokenFactory = new ContractFactory(
ERC20PresetFixedSupplyArtifact.abi,
ERC20PresetFixedSupplyArtifact.bytecode,
deployerWallet
);
const token = await tokenFactory.deploy("AppTestToken", "APP", ethers.utils.parseEther("1000000000"), deployerWallet.address);
await token.deployTransaction.wait();
const tokenAddress = await deployERC20Contract(deployerWallet, argv.decimals);
const token = new ethers.Contract(tokenAddress, ERC20.abi, deployerWallet);
console.log("Contract deployed at L1 address:", token.address);
await (await token.functions.transfer(namedAccount(argv.mintTo).address, ethers.utils.parseEther("100000000"))).wait();

const l1GatewayRouter = new ethers.Contract(l1l2tokenbridge.l2Network.tokenBridge.l1GatewayRouter, L1GatewayRouter.abi, deployerWallet);
await (await token.functions.approve(l1l2tokenbridge.l2Network.tokenBridge.l1ERC20Gateway, ethers.constants.MaxUint256)).wait();
const supply = await token.totalSupply();
await (await l1GatewayRouter.functions.outboundTransfer(
token.address, namedAccount(argv.mintTo).address, ethers.utils.parseEther("100000000"), 100000000, 1000000000, "0x000000000000000000000000000000000000000000000000000fffffffffff0000000000000000000000000000000000000000000000000000000000000000400000000000000000000000000000000000000000000000000000000000000000", {
token.address, deployerWallet.address, supply, 100000000, 1000000000, "0x000000000000000000000000000000000000000000000000000fffffffffff0000000000000000000000000000000000000000000000000000000000000000400000000000000000000000000000000000000000000000000000000000000000", {
value: ethers.utils.parseEther("1"),
}
)).wait();
Expand Down Expand Up @@ -264,16 +311,8 @@ export const createERC20Command = {
ethers.utils.sha256(ethers.utils.toUtf8Bytes(argv.deployer)),
argv.provider
);

const contractFactory = new ContractFactory(
ERC20PresetFixedSupplyArtifact.abi,
ERC20PresetFixedSupplyArtifact.bytecode,
deployerWallet
);
const contract = await contractFactory.deploy("AppTestToken", "APP", ethers.utils.parseEther("1000000000"), namedAccount(argv.mintTo).address);
await contract.deployTransaction.wait();

console.log("Contract deployed at address:", contract.address);
const tokenAddress = await deployERC20Contract(deployerWallet, argv.decimals);
console.log("Contract deployed at address:", tokenAddress);

argv.provider.destroy();
},
Expand Down Expand Up @@ -306,8 +345,9 @@ export const transferERC20Command = {
argv.provider = new ethers.providers.WebSocketProvider(argv.l2url);
const account = namedAccount(argv.from).connect(argv.provider);
const tokenContract = new ethers.Contract(argv.token, ERC20.abi, account);
const decimals = await tokenContract.decimals();
await(await tokenContract.transfer(namedAccount(argv.to).address, ethers.utils.parseUnits(argv.amount, decimals))).wait();
const tokenDecimals = await tokenContract.decimals();
const amountToTransfer = BigNumber.from(argv.amount).mul(BigNumber.from('10').pow(tokenDecimals));
await(await tokenContract.transfer(namedAccount(argv.to).address, amountToTransfer)).wait();
argv.provider.destroy();
},
};
Expand Down
26 changes: 21 additions & 5 deletions test-node.bash
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -49,6 +49,7 @@ dev_build_nitro=false
dev_build_blockscout=false
l3_custom_fee_token=false
l3_token_bridge=false
l3_custom_fee_token_decimals=18
batchposters=1
devprivkey=b6b15c8cb491557369f3c7d2c287b053eb229daa9c22138887752191c9520659
l1chainid=1337
Expand Down Expand Up @@ -146,6 +147,19 @@ while [[ $# -gt 0 ]]; do
l3_custom_fee_token=true
shift
;;
--l3-fee-token-decimals)
if ! $l3_custom_fee_token; then
echo "Error: --l3-fee-token-decimals requires --l3-fee-token to be provided."
exit 1
fi
l3_custom_fee_token_decimals=$2
if [[ $l3_custom_fee_token_decimals -lt 0 || $l3_custom_fee_token_decimals -gt 36 ]]; then
echo "l3-fee-token-decimals must be in range [0,36], value: $l3_custom_fee_token_decimals."
exit 1
fi
shift
shift
;;
--l3-token-bridge)
if ! $l3node; then
echo "Error: --l3-token-bridge requires --l3node to be provided."
Expand Down Expand Up @@ -184,6 +198,7 @@ while [[ $# -gt 0 ]]; do
echo --validate heavy computation, validating all blocks in WASM
echo --l3node deploys an L3 node on top of the L2
echo --l3-fee-token L3 chain is set up to use custom fee token. Only valid if also '--l3node' is provided
echo --l3-fee-token-decimals Number of decimals to use for custom fee token. Only valid if also '--l3-fee-token' is provided
echo --l3-token-bridge Deploy L2-L3 token bridge. Only valid if also '--l3node' is provided
echo --batchposters batch posters [0-3]
echo --redundantsequencers redundant sequencers [0-3]
Expand Down Expand Up @@ -421,8 +436,9 @@ if $force_init; then

if $l3_custom_fee_token; then
echo == Deploying custom fee token
nativeTokenAddress=`docker compose run scripts create-erc20 --deployer user_fee_token_deployer --mintTo user_token_bridge_deployer --bridgeable $tokenbridge | tail -n 1 | awk '{ print $NF }'`
docker compose run scripts transfer-erc20 --token $nativeTokenAddress --amount 100 --from user_token_bridge_deployer --to l3owner
nativeTokenAddress=`docker compose run scripts create-erc20 --deployer user_fee_token_deployer --bridgeable $tokenbridge --decimals $l3_custom_fee_token_decimals | tail -n 1 | awk '{ print $NF }'`
docker compose run scripts transfer-erc20 --token $nativeTokenAddress --amount 10000 --from user_fee_token_deployer --to l3owner
docker compose run scripts transfer-erc20 --token $nativeTokenAddress --amount 10000 --from user_fee_token_deployer --to user_token_bridge_deployer
EXTRA_L3_DEPLOY_FLAG="-e FEE_TOKEN_ADDRESS=$nativeTokenAddress"
fi

Expand Down Expand Up @@ -453,9 +469,9 @@ if $force_init; then

echo == Fund L3 accounts
if $l3_custom_fee_token; then
docker compose run scripts bridge-native-token-to-l3 --amount 50000 --from user_token_bridge_deployer --wait
docker compose run scripts send-l3 --ethamount 500 --from user_token_bridge_deployer --wait
docker compose run scripts send-l3 --ethamount 500 --from user_token_bridge_deployer --to "key_0x$devprivkey" --wait
docker compose run scripts bridge-native-token-to-l3 --amount 5000 --from user_fee_token_deployer --wait
docker compose run scripts send-l3 --ethamount 5 --from user_fee_token_deployer --wait
docker compose run scripts send-l3 --ethamount 5 --from user_fee_token_deployer --to "key_0x$devprivkey" --wait
else
docker compose run scripts bridge-to-l3 --ethamount 50000 --wait
fi
Expand Down
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