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Add an example with an arbitrary message signature #52

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Add an example with an arbitrary message signature #52

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d04daf6
feat: add sign message test
quertc Feb 28, 2024
d3d445a
feat: add verifySignature
quertc Feb 28, 2024
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107 changes: 107 additions & 0 deletions src/App.tsx
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Original file line number Diff line number Diff line change
Expand Up @@ -3,9 +3,11 @@ import {getKeplrFromWindow} from "./util/getKeplrFromWindow";
import {OsmosisChainInfo} from "./constants";
import {Balances} from "./types/balance";
import {Dec, DecUtils} from "@keplr-wallet/unit";
import {encodeSecp256k1Signature} from "@keplr-wallet/cosmos"
import {sendMsgs} from "./util/sendMsgs";
import {api} from "./util/api";
import {simulateMsgs} from "./util/simulateMsgs";
import { StdSignature } from "@keplr-wallet/types";
import {MsgSend} from "./proto-types-gen/src/cosmos/bank/v1beta1/tx";
import "./styles/container.css";
import "./styles/button.css";
Expand All @@ -17,6 +19,12 @@ function App() {

const [recipient, setRecipient] = React.useState<string>('');
const [amount, setAmount] = React.useState<string>('');
const [message, setMessage] = React.useState<string>('');
const [stdSignature, setStdSignature] = React.useState<StdSignature | undefined>(undefined);

const [verifyMessage, setVerifyMessage] = React.useState<string>('');
const [verifyStdSignature, setVerifyStdSignature] = React.useState<StdSignature | undefined>(undefined);
const [verificationResult, setVerificationResult] = React.useState<boolean>(false);

useEffect(() => {
init();
Expand Down Expand Up @@ -109,6 +117,43 @@ function App() {
}
}

const signMessage = async () => {
if (window.keplr) {
const key = await window.keplr.getKey(OsmosisChainInfo.chainId);

try {
const signature = await window.keplr.signArbitrary(OsmosisChainInfo.chainId, key.bech32Address, message);
setStdSignature(signature);
setVerifyMessage(message);
setVerifyStdSignature(signature);
} catch (e) {
if (e instanceof Error) {
console.log(e.message);
}
}
}
}

const verifySignature = async () => {
if (window.keplr) {
const key = await window.keplr.getKey(OsmosisChainInfo.chainId);

try {
if (!verifyStdSignature) {
return;
}

const result = await window.keplr.verifyArbitrary(OsmosisChainInfo.chainId, key.bech32Address, verifyMessage, verifyStdSignature);
setVerificationResult(result);
} catch (e) {
if (e instanceof Error) {
console.log(e.message);
setVerificationResult(false);
}
}
}
}


return (
<div className="root-container">
Expand Down Expand Up @@ -177,6 +222,68 @@ function App() {
</div>

</div>

<div className="item">
<div className="item-title">
Sign Message
</div>

<div className="item-content">
<div style={{
display: "flex",
flexDirection: "column"
}}>
Message:
<input type="text" value={message} onChange={(e) => setMessage(e.target.value)} />
</div>

<div style={{
display: "flex",
flexDirection: "column"
}}>
Signature:
<input type="text" readOnly value={stdSignature?.signature} />
</div>

<button className="keplr-button" onClick={signMessage}>Sign</button>
</div>

</div>

<div className="item">
<div className="item-title">
Verify Signature
</div>

<div className="item-content">
<div style={{
display: "flex",
flexDirection: "column"
}}>
Data:
<input type="text" value={verifyMessage} onChange={(e) => setVerifyMessage(e.target.value)} />
</div>

<div style={{
display: "flex",
flexDirection: "column"
}}>
Signature:
<input type="text" value={verifyStdSignature?.signature} onChange={(e) => {
if (verifyStdSignature?.pub_key) {
setVerifyStdSignature({ pub_key: verifyStdSignature.pub_key, signature: e.target.value })
}
}} />
</div>

<div>
Result: {verificationResult ? 'VALID' : 'FAILED'}
</div>

<button className="keplr-button" onClick={verifySignature}>Verify</button>
</div>

</div>
</div>
</div>
);
Expand Down