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Merge pull request #342 from pendulum-chain/staging-conflict-fixes
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,21 @@ | ||
| const { keccak256 } = require('viem/utils'); | ||
| const { Keyring } = require('@polkadot/api'); | ||
|
|
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| // Returns the hash value for the address. If it's a polkadot address, it will return raw data of the address. | ||
| function getHashValueForAddress(address) { | ||
| if (address.startsWith('0x')) { | ||
| return address; | ||
| } else { | ||
| const keyring = new Keyring({ type: 'sr25519' }); | ||
| return keyring.decodeAddress(address); | ||
| } | ||
| } | ||
|
|
||
| //A memo derivation. | ||
| async function deriveMemoFromAddress(address) { | ||
| const hashValue = getHashValueForAddress(address); | ||
| const hash = keccak256(hashValue); | ||
| return BigInt(hash).toString().slice(0, 15); | ||
| } | ||
|
|
||
| module.exports = { deriveMemoFromAddress }; |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,53 @@ | ||
| class SignInMessage { | ||
| // fixed statement string | ||
| static LOGIN_MESSAGE = ' wants you to sign in with your account: '; | ||
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|
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| constructor(fields) { | ||
| this.scheme = fields.scheme; | ||
| this.domain = fields.domain; | ||
| this.address = fields.address; | ||
| this.nonce = fields.nonce; | ||
| this.expirationTime = new Date(fields.expirationTime).toISOString(); | ||
| this.issuedAt = fields.issuedAt ? new Date(fields.issuedAt).toISOString() : new Date().toISOString(); | ||
| } | ||
|
|
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| toMessage() { | ||
| const header = `${this.domain}${SignInMessage.LOGIN_MESSAGE}${this.address}`; | ||
|
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| const body = `\nNonce: ${this.nonce}\nIssued At: ${this.issuedAt}\nExpiration Time: ${this.expirationTime}`; | ||
|
|
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| return `${header}\n\n${body}`; | ||
| } | ||
|
|
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| static fromMessage(message) { | ||
| const lines = message | ||
| .split('\n') | ||
| .map((l) => l.trim()) | ||
| .filter((l) => l.length > 0); | ||
|
|
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| const headerLine = lines.find((line) => line.includes(SignInMessage.LOGIN_MESSAGE)) || ''; | ||
| const [domain, address] = headerLine.split(SignInMessage.LOGIN_MESSAGE).map((part) => part.trim()); | ||
|
|
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| const nonceLine = lines.find((line) => line.startsWith('Nonce:')) || ''; | ||
| const nonce = nonceLine.split('Nonce:')[1]?.trim() || ''; | ||
|
|
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| const issuedAtLine = lines.find((line) => line.startsWith('Issued At:')) || ''; | ||
| const issuedAt = issuedAtLine.split('Issued At:')[1]?.trim(); // Can't really be empty. Constructor will default to current date if not defined. | ||
| const issuedAtMilis = new Date(issuedAt).getTime(); | ||
|
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| const expirationTimeLine = lines.find((line) => line.startsWith('Expiration Time:')) || ''; | ||
| const expirationTime = expirationTimeLine.split('Expiration Time:')[1]?.trim(); | ||
| const expirationTimeMilis = new Date(expirationTime).getTime(); | ||
|
|
||
| return new SignInMessage({ | ||
| scheme: 'https', | ||
| domain, | ||
| address, | ||
| nonce, | ||
| expirationTime: expirationTimeMilis, | ||
| issuedAt: issuedAtMilis, | ||
| }); | ||
| } | ||
| } | ||
|
|
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| module.exports = { SignInMessage }; |
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