Created
September 19, 2022 03:59
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SVG to PNG from contract
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| const Web3 = require('web3'); | |
| const { convert } = require('convert-svg-to-png'); | |
| const fs = require('fs'); | |
| /* this assumes you have: | |
| - an Infura account | |
| - a smart contract with a read method "tokenSVG" that takes one argument "tokenID" and returns the SVG content as a string | |
| */ | |
| const web3 = new Web3(new Web3.providers.HttpProvider('https://mainnet.infura.io/v3/'+YOUR_API_KEY)); | |
| const abi = YOUR_ABI; | |
| const address = YOUR_CONTRACT_ADDRESS; | |
| const contract = new web3.eth.Contract(abi, address) | |
| async function getSVG(id) { | |
| let result = await contract.methods.tokenSVG(id).call(); | |
| let png = await convert(result, {scale:2}); // output PNGs are twice as big as base SVG | |
| fs.writeFile('png/'+id+'.png', png, err => { | |
| if (err) { | |
| console.error(err); | |
| } | |
| else { | |
| console.log("Wrote "+id+" to file"); | |
| } | |
| }); | |
| } | |
| for(var i=0;i<...;i++) { | |
| getSVG(i); | |
| } |
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