mirror of
https://github.com/stronk-dev/RandomChad.git
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44 lines
1.1 KiB
JavaScript
44 lines
1.1 KiB
JavaScript
// Dependencies
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const Web3 = require( 'web3' )
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const functions = require( 'firebase-functions' )
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const { infura } = functions.config()
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// Contract data
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const contractAddress = {
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mainnet: '0xb3767b2033CF24334095DC82029dbF0E9528039d',
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rinkeby: '0x95d6b9549315212D3FDce9FdCa9d80978b8bB41D'
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}
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// ABI with only the supply definitions
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const ABI = [
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{
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"inputs": [],
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"name": "totalSupply",
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"outputs": [
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{
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"internalType": "uint256",
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"name": "",
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"type": "uint256"
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}
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],
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"stateMutability": "view",
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"type": "function",
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"constant": true
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}
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]
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// Total current supply, in accordance with ERC721 spec
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async function getTotalSupply( network='mainnet' ) {
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// Initialise contract connection
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const web3 = new Web3( `wss://${ network }.infura.io/ws/v3/${ infura.projectid }` )
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const contract = new web3.eth.Contract( ABI, contractAddress[ network ] )
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// Return the call promise which returns the total supply
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return contract.methods.totalSupply().call()
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}
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module.exports = {
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getTotalSupply: getTotalSupply
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} |