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Add send and sendFrom to cw20-base helpers.ts #415

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merged 2 commits into from
Sep 13, 2021
Merged

Add send and sendFrom to cw20-base helpers.ts #415

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44555c2
Add send and sendFrom
orkunkl Sep 11, 2021
7a1eb68
Add base64 step
orkunkl Sep 13, 2021
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23 changes: 20 additions & 3 deletions contracts/cw20-base/helpers.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -4,6 +4,7 @@ import { SigningCosmWasmClient } from "@cosmjs/cosmwasm-stargate";
import { GasPrice, calculateFee, StdFee } from "@cosmjs/stargate";
import { DirectSecp256k1HdWallet, makeCosmoshubPath } from "@cosmjs/proto-signing";
import { Slip10RawIndex } from "@cosmjs/crypto";
import { toUtf8, toBase64 } from "@cosmjs/encoding";
import path from "path";
/*
* This is a set of helpers meant for use with @cosmjs/cli
Expand All @@ -16,13 +17,13 @@ import path from "path";
*
* Get the mnemonic:
* await useOptions(pebblenetOptions).recoverMnemonic(password);
*
*
* Create contract:
* const contract = CW20(client, pebblenetOptions.fees);
*
*
* Upload contract:
* const codeId = await contract.upload(addr);
*
*
* Instantiate contract example:
* const initMsg = {
* name: "Potato Coin",
Expand Down Expand Up @@ -185,10 +186,12 @@ interface CW20Instance {
// actions
mint: (txSigner: string, recipient: string, amount: string) => Promise<string>
transfer: (txSigner: string, recipient: string, amount: string) => Promise<string>
send: (txSigner: string, recipient: string, amount: string, msg: Record<string, unknown>) => Promise<string>
burn: (txSigner: string, amount: string) => Promise<string>
increaseAllowance: (txSigner: string, recipient: string, amount: string) => Promise<string>
decreaseAllowance: (txSigner: string, recipient: string, amount: string) => Promise<string>
transferFrom: (txSigner: string, owner: string, recipient: string, amount: string) => Promise<string>
sendFrom: (txSigner: string, owner: string, recipient: string, amount: string, msg: Record<string, unknown>) => Promise<string>
}

interface CW20Contract {
Expand Down Expand Up @@ -265,6 +268,18 @@ export const CW20 = (client: SigningCosmWasmClient, fees: Options["fees"]): CW20
return result.transactionHash;
}

const jsonToBinary = (json: Record<string, unknown>): string => { return toBase64(toUtf8(JSON.stringify(json)))}

const send = async (senderAddress: string, recipient: string, amount: string, msg: Record<string, unknown>): Promise<string> => {
const result = await client.execute(senderAddress, contractAddress, {send: {recipient, amount, msg: jsonToBinary(msg)}}, fees.exec);
return result.transactionHash;
}

const sendFrom = async (senderAddress: string, owner: string, recipient: string, amount: string, msg: Record<string, unknown>): Promise<string> => {
const result = await client.execute(senderAddress, contractAddress, {send_from: {owner, recipient, amount, msg: jsonToBinary(msg)}}, fees.exec);
return result.transactionHash;
}

return {
contractAddress,
balance,
Expand All @@ -279,6 +294,8 @@ export const CW20 = (client: SigningCosmWasmClient, fees: Options["fees"]): CW20
increaseAllowance,
decreaseAllowance,
transferFrom,
send,
sendFrom
};
}

Expand Down