Library for deploying and interacting with Volcà Airdrop Contract and Server APIs.
Used at Volca-Airdrop-App - https://github.com/VolcaTech/volca-airdrop-app
npm i --save https://github.com/VolcaTech/volca-linkdrop-core// import library
import eth2air from 'eth2air-core';
eth2air.getAirdropParams({
contractAddress: contractAddress, // airdrop contract address from the claim URL
transitPK: transitPK, // transit private key from the claim URL
web3: web3 // web3 object (see web3js)
}).then({
tokenSymbol,
claimAmount, // in atomic values
tokenAddress,
linkClaimed // if the link was already used
} => {
// ....
})import eth2air from 'eth2air-core';
eth2air.claimTokens({
receiverAddress, // address to receive tokens to
contractAddress, // address of the airdrop contract from he
transitPK, // transit private key from the claim URL
keyR, // signature param (r) from the claim URL
keyS, // signature param (s) from the claim URL
keyV, // signature param (v) from the claim URL
networkId // id of the connected Network (Mainnet - '1', Ropsten - '3')
}).then((result) => {
if (!result.success) {
throw new Error(result.errorMessage || "Server error");
}
// Server returns Hash of the transaction submitted by the Server to the Airdrop Contract
const { txHash } = result;
})const _deployAirdrop = async () => {
// 1. Deploy Smart Contract
// generate airdropTransit key pair for signing links and deploy airdrop contract
let contractAddress = null;
const {
txHash,
airdropTransitPK,
airdropTransitAddress
} = await eth2air.deployContract({
claimAmount, // claim amount of token (e.g. 24.56)
tokenAddress,
decimals, // token decimals
claimAmountEth, // claim amount of ETH (e.g. 0.001)
linksNumber, // number of links to generate
web3, // web3 object
onTxMined: (airdropContractAddress) => {
// callback to update airdropContractAddress, when mined
contractAddress = airdropContractAddress;
}
});
// Wait until contract is deployed...
// 2. Approve Smart Contract for Token Withdrawal
eth2air.approveContract({
tokenAddress,
contractAddress,
amount: 10e30, // amount to approve
web3 // web3 object
});
// 3. Generate Claim Links
const links = eth2air.generateLinks({
linksNumber, // number of links to generate
airdropTransitPK, // airdrop transit private key
contractAddress
});
}