solana-dex-parser
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Solana Dex Transaction Parser
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<h1><a href="../index.html">All files</a> / <a href="index.html">src</a> transfer-utils.ts</h1>
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<span class="strong">26.78% </span>
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<span class="cline-any cline-neutral"> </span></td><td class="text"><pre class="prettyprint lang-js">import { TOKENS, TOKEN_2022_PROGRAM_ID, TOKEN_PROGRAM_ID } from './constants';
import { TransactionAdapter } from './transaction-adapter';
import { TransferData, convertToUiAmount } from './types';
import { getTranferTokenMint } from './utils';
export const isTransferCheck = <span class="fstat-no" title="function not covered" >(i</span>nstruction: any): boolean => {
<span class="cstat-no" title="statement not covered" > return (</span>
(instruction.programId == TOKEN_PROGRAM_ID || instruction.programId == TOKEN_2022_PROGRAM_ID) &&
instruction.parsed.type.includes('transferChecked')
);
};
export const isTransfer = <span class="fstat-no" title="function not covered" >(i</span>nstruction: any): boolean => {
<span class="cstat-no" title="statement not covered" > return (</span>
(instruction.program === 'spl-token' &&
instruction.programId == TOKEN_PROGRAM_ID &&
instruction.parsed.type === 'transfer') ||
(instruction.program === 'system' &&
instruction.programId == TOKENS.NATIVE &&
instruction.parsed.type === 'transfer')
);
};
export const processTransfer = <span class="fstat-no" title="function not covered" >(i</span>nstruction: any, idx: string, adapter: TransactionAdapter): TransferData | null => {
const { info } = <span class="cstat-no" title="statement not covered" >instruction.parsed;</span>
<span class="cstat-no" title="statement not covered" > <span class="missing-if-branch" title="if path not taken" >I</span>if (!info) <span class="cstat-no" title="statement not covered" >return null;</span></span>
const [token1, token2] = <span class="cstat-no" title="statement not covered" >[</span>
adapter.splTokenMap.get(info.destination)?.mint,
adapter.splTokenMap.get(info.source)?.mint,
];
<span class="cstat-no" title="statement not covered" > <span class="missing-if-branch" title="if path not taken" >I</span>if (!token1 && !token2) <span class="cstat-no" title="statement not covered" >return null;</span></span>
let mint = <span class="cstat-no" title="statement not covered" >getTranferTokenMint(token1, token2);</span>
<span class="cstat-no" title="statement not covered" > <span class="missing-if-branch" title="if path not taken" >I</span>if (!mint && instruction.programId == TOKENS.NATIVE) <span class="cstat-no" title="statement not covered" >mint = TOKENS.SOL;</span></span>
<span class="cstat-no" title="statement not covered" > <span class="missing-if-branch" title="if path not taken" >I</span>if (!mint) <span class="cstat-no" title="statement not covered" >return null;</span></span>
const decimals = <span class="cstat-no" title="statement not covered" >adapter.splDecimalsMap.get(mint);</span>
<span class="cstat-no" title="statement not covered" > <span class="missing-if-branch" title="if path not taken" >I</span>if (typeof decimals === 'undefined') <span class="cstat-no" title="statement not covered" >return null;</span></span>
const [sourceBalance, destinationBalance] =
<span class="cstat-no" title="statement not covered" > instruction.programId == TOKENS.NATIVE</span>
? adapter.getAccountBalance([info.source, info.destination])
: adapter.getTokenAccountBalance([info.source, info.destination]);
const [sourcePreBalance, destinationPreBalance] =
<span class="cstat-no" title="statement not covered" > instruction.programId == TOKENS.NATIVE</span>
? adapter.getAccountPreBalance([info.source, info.destination])
: adapter.getTokenAccountPreBalance([info.source, info.destination]);
<span class="cstat-no" title="statement not covered" > return {</span>
type: 'transfer',
programId: instruction.programId,
info: {
authority: info.authority,
destination: info.destination || '',
destinationOwner: adapter.getTokenAccountOwner(info.destination),
mint,
source: info.source || '',
tokenAmount: {
amount: info.amount || info.lamports,
decimals,
uiAmount: convertToUiAmount(info.amount || info.lamports, decimals),
},
sourceBalance: sourceBalance,
sourcePreBalance: sourcePreBalance,
destinationBalance: destinationBalance,
destinationPreBalance: destinationPreBalance,
},
idx: idx,
timestamp: adapter.blockTime,
signature: adapter.signature,
};
};
export const processTransferCheck = <span class="fstat-no" title="function not covered" >(</span>
instruction: any,
idx: string,
adapter: TransactionAdapter
): TransferData | null => {
const { info } = <span class="cstat-no" title="statement not covered" >instruction.parsed;</span>
<span class="cstat-no" title="statement not covered" > <span class="missing-if-branch" title="if path not taken" >I</span>if (!info) <span class="cstat-no" title="statement not covered" >return null;</span></span>
const decimals = <span class="cstat-no" title="statement not covered" >adapter.splDecimalsMap.get(info.mint);</span>
<span class="cstat-no" title="statement not covered" > <span class="missing-if-branch" title="if path not taken" >I</span>if (typeof decimals === 'undefined') <span class="cstat-no" title="statement not covered" >return null;</span></span>
const [sourceBalance, destinationBalance] = <span class="cstat-no" title="statement not covered" >adapter.getTokenAccountBalance([info.source, info.destination]);</span>
const [sourcePreBalance, destinationPreBalance] = <span class="cstat-no" title="statement not covered" >adapter.getTokenAccountPreBalance([info.source, info.destination]);</span>
<span class="cstat-no" title="statement not covered" > return {</span>
type: 'transferChecked',
programId: instruction.programId,
info: {
authority: info.authority,
destination: info.destination || '',
destinationOwner: adapter.getTokenAccountOwner(info.destination),
mint: info.mint || '',
source: info.source || '',
tokenAmount: info.tokenAmount || {
amount: info.amount,
decimals,
uiAmount: convertToUiAmount(info.amount, decimals),
},
sourceBalance: sourceBalance,
sourcePreBalance: sourcePreBalance,
destinationBalance: destinationBalance,
destinationPreBalance: destinationPreBalance,
},
idx,
timestamp: adapter.blockTime,
signature: adapter.signature,
};
};
export const isExtraAction = <span class="fstat-no" title="function not covered" >(i</span>nstruction: any, type: string): boolean => {
<span class="cstat-no" title="statement not covered" > return (</span>
instruction.program === 'spl-token' && instruction.programId == TOKEN_PROGRAM_ID && instruction.parsed.type === type
);
};
export const processExtraAction = <span class="fstat-no" title="function not covered" >(</span>
instruction: any,
idx: string,
adapter: TransactionAdapter,
type: string
): TransferData | null => {
const { info } = <span class="cstat-no" title="statement not covered" >instruction.parsed;</span>
<span class="cstat-no" title="statement not covered" > <span class="missing-if-branch" title="if path not taken" >I</span>if (!info) <span class="cstat-no" title="statement not covered" >return null;</span></span>
const mint = <span class="cstat-no" title="statement not covered" >info.mint || adapter.splTokenMap.get(info.destination)?.mint;</span>
<span class="cstat-no" title="statement not covered" > <span class="missing-if-branch" title="if path not taken" >I</span>if (!mint) <span class="cstat-no" title="statement not covered" >return null;</span></span>
const decimals = <span class="cstat-no" title="statement not covered" >adapter.splDecimalsMap.get(mint);</span>
<span class="cstat-no" title="statement not covered" > <span class="missing-if-branch" title="if path not taken" >I</span>if (typeof decimals === 'undefined') <span class="cstat-no" title="statement not covered" >return null;</span></span>
const [sourceBalance, destinationBalance] = <span class="cstat-no" title="statement not covered" >adapter.getTokenAccountBalance([info.source, info.destination]);</span>
const [sourcePreBalance, destinationPreBalance] = <span class="cstat-no" title="statement not covered" >adapter.getTokenAccountPreBalance([info.source, info.destination]);</span>
<span class="cstat-no" title="statement not covered" > return {</span>
type: type,
programId: instruction.programId,
info: {
authority: info.authority || info.mintAuthority || '',
destination: info.destination || '',
destinationOwner: adapter.getTokenAccountOwner(info.destination),
mint,
source: info.source || '',
tokenAmount: {
amount: info.amount,
decimals,
uiAmount: convertToUiAmount(info.amount, decimals),
},
sourceBalance: sourceBalance,
sourcePreBalance: sourcePreBalance,
destinationBalance: destinationBalance,
destinationPreBalance: destinationPreBalance,
},
idx: idx,
timestamp: adapter.blockTime,
signature: adapter.signature,
};
};
</pre></td></tr></table></pre>
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