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README.md

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Examples

This directory contains examples of parsed contracts and pieces of advice how to use the typechain-polkadot in your project.

General usage

  • Create a new project with npm init
  • Create a new directory for your contracts' abi's (for example /artifacts)
  • Add to your package.json file the following and install it with npm i:
"dependencies": {
	"@prosopo/typechain-polkadot": "1.1.15",
	"@prosopo/typechain-types": "^1.1.15",
	"@types/node": "^17.0.34",
	"ts-node": "^10.7.0",
	"typescript": "^4.6.4",
	"@polkadot/api": "10.13.1",
	"@polkadot/api-contract": "10.13.1",
	"@types/bn.js": "^5.1.0"
}
  • Run typechain with
npx @prosopo/typechain-polkadot --in path/to/artifacts --out path/to/output

Note: you should move metadata.json to artifacts directory and rename it to .json, also if you want to deploy the contract you should also move .contract to artifacts directory from your target dir