LikeCoin
English
Ask or search…
K
Links

iscn-js

Javascript SDK for ISCN actions.

Install

npm i -S @cosmjs/stargate @likecoin/iscn-js

Usage

Please refer to *.spec.ts test cases for more example
Query
import { ISCNQueryClient } from '@likecoin/iscn-js';
const client = new ISCNQueryClient();
// optional custom rpc
// await client.connect('https://mainnet-node.like.co/rpc/')
// Query ISCN by ID
const res = await client.queryRecordsById('iscn://likecoin-chain/dLbKMa8EVO9RF4UmoWKk2ocUq7IsxMcnQL1_Ps5Vg80/1');
// Query ISCN by owner
const res = await client.queryRecordsByOwner('cosmos1sf2sc6t37xhd3m0dcaq6h5dz22mtru2ugdwp0v');
Signing
import { ISCNQueryClient, ISCNSigningClient } from '@likecoin/iscn-js';
import { DirectSecp256k1HdWallet } from '@cosmjs/proto-signing';
import { assertIsBroadcastTxSuccess, SigningStargateClient, StargateClient } from '@cosmjs/stargate';
const mnemonic = 'surround miss nominee dream gap cross assault thank captain prosper drop duty group candy wealth weather scale put';
const signer = await DirectSecp256k1HdWallet.fromMnemonic(mnemonic);
const [wallet] = await signer.getAccounts();
const client = new ISCNQueryClient();
const signingClient = new ISCNSigningClient();
await signingClient.connectWithSigner('https://mainnet-node.like.co/rpc/', wallet);
const res = await signingClient.createISCNRecord(wallet.address, {
'contentFingerprints': [
'hash://sha256/9564b85669d5e96ac969dd0161b8475bbced9e5999c6ec598da718a3045d6f2e'
],
'stakeholders': [
{
'entity': {
'@id': 'did:cosmos:5sy29r37gfxvxz21rh4r0ktpuc46pzjrmz29g45',
'name': 'Chung Wu'
},
'rewardProportion': 95,
'contributionType': 'http://schema.org/author'
}
],
'type': 'Article',
'name': '使用矩陣計算遞歸關係式',
'usageInfo': 'https://creativecommons.org/licenses/by/4.0',
'keywords': ['matrix', 'recursion'],
});
const iscnID = await client.queryISCNIdsByTx(res.transactionHash);