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@vechain/hardhat-ethers
Advanced tools
A package extending Hardhat Ethers to use a Connex provider.
hardhat.config.js
to require @vechain/hardhat-vechain
and @vechain/hardhat-ethers
.networks
to include a vechain
configurationNote: A solo Thor instance should be running for the below configurations to work
hardhat.config.js
const {
VECHAIN_URL_SOLO
} = require("@vechain/hardhat-vechain");
require("@vechain/hardhat-ethers");
module.exports = {
solidity: {
version: "0.8.17",
},
networks: {
vechain: {
url: VECHAIN_URL_SOLO
},
}
};
hardhat.config.js
with fee delegationFee delegation can be configured by providing optional delegate
config which has required url
and optional signer
field. Url needs to point to delegation a valid
delegation service, for example https://sponsor-testnet.vechain.energy/by/${projectId}
.
const {
VECHAIN_URL_SOLO
} = require("@vechain/hardhat-vechain");
require("@vechain/hardhat-web3");
module.exports = {
solidity: {
version: "0.8.17",
},
networks: {
vechain: {
url: VECHAIN_URL_SOLO,
delegate: {
url: "${feeDelegationServiceUrl}",
signer: "${optionalSigner}"
}
},
}
};
hardhat.config.js
Multiple network can also be configured to simplify testing and deployments. Networks which are targeting VechainThor
nodes should have vechain
as part of the network name (vechain, vechain_testnet, vechainNode are all valid). Network
names without this requirement won't be preprocessed by the plugin and it is not expected to function properly with Thor
network. Sample configuration:
const {
VECHAIN_URL_SOLO
} = require("@vechain/hardhat-vechain");
require("@vechain/hardhat-web3");
module.exports = {
solidity: {
version: "0.8.17",
},
networks: {
vechain_solo: {
url: VECHAIN_URL_SOLO,
delegate: {
url: "${feeDelegationServiceUrl}",
signer: "${optionalSigner}"
}
},
vechain_mainnet: {
url: "https://mainnet.veblocks.net",
},
}
};
Vechain Thor network supports sending multiple clauses as part of one transaction. Clauses are then executed atomically on a chain. Hardhat plugin supports Vechain tx construction with multiple clauses. Example code:
const clauseBuilder = new ClausesBuilder(baseContract);
const tx = await clauseBuilder.withClause({
args: [1],
abi: JSON.stringify([{ type: 'function', name: 'method1'}] ),
method: 'method1'
}).withClause({
args: [2],
abi: JSON.stringify([{ type: 'function', name: 'method2'}] ),
method: 'method2'
}).send()
Where baseContract
is an instance of a deployed contract.
describe("vechain-ethers", function() {
it("should be able to get signers", async function () {
const accounts = await ethers.getSigners();
assert.equals(accounts[0], "0xf077b491b355e64048ce21e3a6fc4751eeea77fa");
});
});
FAQs
Hardhat Vechain Ethers Plugin
We found that @vechain/hardhat-ethers demonstrated a healthy version release cadence and project activity because the last version was released less than a year ago. It has 8 open source maintainers collaborating on the project.
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