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author | Sebastian <sebasjm@gmail.com> | 2023-07-21 15:50:03 -0300 |
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committer | Sebastian <sebasjm@gmail.com> | 2023-07-21 15:50:03 -0300 |
commit | e90f1b4206e8843b85655ebe47485c70dbdab3f6 (patch) | |
tree | aa623535e7dd6eca7ddafb383e59c0d195212346 /packages/taler-wallet-core/src | |
parent | 43f5572779f54cee0a73854f0c4fe7bbec35cc2c (diff) | |
download | wallet-core-e90f1b4206e8843b85655ebe47485c70dbdab3f6.tar.xz |
move amount and time function to util
Diffstat (limited to 'packages/taler-wallet-core/src')
-rw-r--r-- | packages/taler-wallet-core/src/crypto/cryptoImplementation.ts | 61 |
1 files changed, 3 insertions, 58 deletions
diff --git a/packages/taler-wallet-core/src/crypto/cryptoImplementation.ts b/packages/taler-wallet-core/src/crypto/cryptoImplementation.ts index 1dd70304a..76c13bcb4 100644 --- a/packages/taler-wallet-core/src/crypto/cryptoImplementation.ts +++ b/packages/taler-wallet-core/src/crypto/cryptoImplementation.ts @@ -31,6 +31,7 @@ import { AmountLike, Amounts, AmountString, + amountToBuffer, BlindedDenominationSignature, bufferForUint32, bufferForUint64, @@ -44,6 +45,7 @@ import { decryptContractForMerge, DenomKeyType, DepositInfo, + durationRoundedToBuffer, ecdhGetPublic, eddsaGetPublic, EddsaPublicKeyString, @@ -82,6 +84,7 @@ import { TalerProtocolDuration, TalerProtocolTimestamp, TalerSignaturePurpose, + timestampRoundedToBuffer, UnblindedSignature, validateIban, WireFee, @@ -1698,64 +1701,6 @@ export const nativeCryptoR: TalerCryptoInterfaceR = { }, }; -function amountToBuffer(amount: AmountLike): Uint8Array { - const amountJ = Amounts.jsonifyAmount(amount); - const buffer = new ArrayBuffer(8 + 4 + 12); - const dvbuf = new DataView(buffer); - const u8buf = new Uint8Array(buffer); - const curr = stringToBytes(amountJ.currency); - if (typeof dvbuf.setBigUint64 !== "undefined") { - dvbuf.setBigUint64(0, BigInt(amountJ.value)); - } else { - const arr = bigint(amountJ.value).toArray(2 ** 8).value; - let offset = 8 - arr.length; - for (let i = 0; i < arr.length; i++) { - dvbuf.setUint8(offset++, arr[i]); - } - } - dvbuf.setUint32(8, amountJ.fraction); - u8buf.set(curr, 8 + 4); - - return u8buf; -} - -function timestampRoundedToBuffer(ts: TalerProtocolTimestamp): Uint8Array { - const b = new ArrayBuffer(8); - const v = new DataView(b); - // The buffer we sign over represents the timestamp in microseconds. - if (typeof v.setBigUint64 !== "undefined") { - const s = BigInt(ts.t_s) * BigInt(1000 * 1000); - v.setBigUint64(0, s); - } else { - const s = - ts.t_s === "never" ? bigint.zero : bigint(ts.t_s).multiply(1000 * 1000); - const arr = s.toArray(2 ** 8).value; - let offset = 8 - arr.length; - for (let i = 0; i < arr.length; i++) { - v.setUint8(offset++, arr[i]); - } - } - return new Uint8Array(b); -} - -function durationRoundedToBuffer(ts: TalerProtocolDuration): Uint8Array { - const b = new ArrayBuffer(8); - const v = new DataView(b); - // The buffer we sign over represents the timestamp in microseconds. - if (typeof v.setBigUint64 !== "undefined") { - const s = BigInt(ts.d_us); - v.setBigUint64(0, s); - } else { - const s = ts.d_us === "forever" ? bigint.zero : bigint(ts.d_us); - const arr = s.toArray(2 ** 8).value; - let offset = 8 - arr.length; - for (let i = 0; i < arr.length; i++) { - v.setUint8(offset++, arr[i]); - } - } - return new Uint8Array(b); -} - export interface EddsaSignRequest { msg: string; priv: string; |