@solana/spl-token
Version:
SPL Token Program JS API
80 lines • 4.32 kB
JavaScript
;
Object.defineProperty(exports, "__esModule", { value: true });
exports.updateMultiplierData = exports.initializeScaledUiAmountConfigInstructionData = exports.ScaledUiAmountInstruction = void 0;
exports.createInitializeScaledUiAmountConfigInstruction = createInitializeScaledUiAmountConfigInstruction;
exports.createUpdateMultiplierDataInstruction = createUpdateMultiplierDataInstruction;
const buffer_layout_1 = require("@solana/buffer-layout");
const buffer_layout_utils_1 = require("@solana/buffer-layout-utils");
const types_js_1 = require("../../instructions/types.js");
const web3_js_1 = require("@solana/web3.js");
const constants_js_1 = require("../../constants.js");
const errors_js_1 = require("../../errors.js");
const internal_js_1 = require("../../instructions/internal.js");
var ScaledUiAmountInstruction;
(function (ScaledUiAmountInstruction) {
ScaledUiAmountInstruction[ScaledUiAmountInstruction["Initialize"] = 0] = "Initialize";
ScaledUiAmountInstruction[ScaledUiAmountInstruction["UpdateMultiplier"] = 1] = "UpdateMultiplier";
})(ScaledUiAmountInstruction || (exports.ScaledUiAmountInstruction = ScaledUiAmountInstruction = {}));
exports.initializeScaledUiAmountConfigInstructionData = (0, buffer_layout_1.struct)([
(0, buffer_layout_1.u8)('instruction'),
(0, buffer_layout_1.u8)('scaledUiAmountInstruction'),
(0, buffer_layout_utils_1.publicKey)('authority'),
(0, buffer_layout_1.f64)('multiplier'),
]);
/**
* Construct an InitializeScaledUiAmountConfig instruction
*
* @param mint Token mint account
* @param authority Optional authority that can update the multipliers
* @param signers The signer account(s)
* @param programId SPL Token program account
*
* @return Instruction to add to a transaction
*/
function createInitializeScaledUiAmountConfigInstruction(mint, authority, multiplier, programId = constants_js_1.TOKEN_2022_PROGRAM_ID) {
if (!(0, constants_js_1.programSupportsExtensions)(programId)) {
throw new errors_js_1.TokenUnsupportedInstructionError();
}
const keys = [{ pubkey: mint, isSigner: false, isWritable: true }];
const data = Buffer.alloc(exports.initializeScaledUiAmountConfigInstructionData.span);
exports.initializeScaledUiAmountConfigInstructionData.encode({
instruction: types_js_1.TokenInstruction.ScaledUiAmountExtension,
scaledUiAmountInstruction: ScaledUiAmountInstruction.Initialize,
authority: authority !== null && authority !== void 0 ? authority : web3_js_1.PublicKey.default,
multiplier: multiplier,
}, data);
return new web3_js_1.TransactionInstruction({ keys, programId, data });
}
exports.updateMultiplierData = (0, buffer_layout_1.struct)([
(0, buffer_layout_1.u8)('instruction'),
(0, buffer_layout_1.u8)('scaledUiAmountInstruction'),
(0, buffer_layout_1.f64)('multiplier'),
(0, buffer_layout_utils_1.u64)('effectiveTimestamp'),
]);
/**
* Construct an UpdateMultiplierData instruction
*
* @param mint Token mint account
* @param authority Optional authority that can update the multipliers
* @param multiplier New multiplier
* @param effectiveTimestamp Effective time stamp for the new multiplier
* @param multiSigners Signing accounts if `owner` is a multisig
* @param programId SPL Token program account
*
* @return Instruction to add to a transaction
*/
function createUpdateMultiplierDataInstruction(mint, authority, multiplier, effectiveTimestamp, multiSigners = [], programId = constants_js_1.TOKEN_2022_PROGRAM_ID) {
if (!(0, constants_js_1.programSupportsExtensions)(programId)) {
throw new errors_js_1.TokenUnsupportedInstructionError();
}
const keys = (0, internal_js_1.addSigners)([{ pubkey: mint, isSigner: false, isWritable: true }], authority, multiSigners);
const data = Buffer.alloc(exports.updateMultiplierData.span);
exports.updateMultiplierData.encode({
instruction: types_js_1.TokenInstruction.ScaledUiAmountExtension,
scaledUiAmountInstruction: ScaledUiAmountInstruction.UpdateMultiplier,
multiplier,
effectiveTimestamp,
}, data);
return new web3_js_1.TransactionInstruction({ keys, programId, data });
}
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