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btc tee support #1107

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Merged
joshuascan merged 2 commits into from
Jul 29, 2026
Merged

btc tee support #1107

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c3fff7b
adds tee support
joshuascan Jul 22, 2026
e1143c5
run yarn
joshuascan Jul 22, 2026
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25 changes: 21 additions & 4 deletions packages/@magic-ext/bitcoin/src/index.ts
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Original file line number Diff line number Diff line change
@@ -1,5 +1,13 @@
import { MultichainExtension } from '@magic-sdk/provider';
import { BitcoinConfig, BitcoinPayloadMethod } from './types';
import {
BitcoinConfig,
BitcoinPayloadMethod,
BitcoinSignedTransaction,
BitcoinTransactionInput,
BitcoinTransactionOutput,
} from './types';

export * from './types';

export class BitcoinExtension extends MultichainExtension<'bitcoin'> {
name = 'bitcoin' as const;
Expand All @@ -14,9 +22,18 @@ export class BitcoinExtension extends MultichainExtension<'bitcoin'> {
});
}

public async signTransaction(txn: string, inputIndex: number) {
return this.request(
this.utils.createJsonRpcRequestPayload(BitcoinPayloadMethod.BitcoinSignTransaction, [txn, inputIndex]),
/**
* Signs a Bitcoin transaction in the TEE. The caller supplies fully-formed
* inputs (the UTXOs to spend, each with its value) and outputs; coin selection,
* fee, and change are the caller's responsibility. Resolves with the
* broadcast-ready signed transaction.
*/
public async signTransaction(
inputs: BitcoinTransactionInput[],
outputs: BitcoinTransactionOutput[],
): Promise<BitcoinSignedTransaction> {
return this.request<BitcoinSignedTransaction>(
this.utils.createJsonRpcRequestPayload(BitcoinPayloadMethod.BitcoinSignTransaction, [{ inputs, outputs }]),
);
}
}
25 changes: 25 additions & 0 deletions packages/@magic-ext/bitcoin/src/types.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -6,3 +6,28 @@ export interface BitcoinConfig {
export enum BitcoinPayloadMethod {
BitcoinSignTransaction = 'btc_signTransaction',
}

/**
* A UTXO to spend. `value` is in BTC (not satoshis) and is required: the enclave
* needs each input's value to compute its segwit (BIP143) sighash. `tx_num` is
* the output index (vout) of the UTXO within its source transaction.
*/
export interface BitcoinTransactionInput {
txid: string;
tx_num: number;
value: number;
address?: string;
}

/** A transaction output. `value` is in BTC (not satoshis). */
export interface BitcoinTransactionOutput {
address: string;
value: number;
}

export interface BitcoinSignedTransaction {
/** The broadcast-ready, fully-signed transaction as hex. */
signedTransaction: string;
/** The transaction hash (txid). */
transactionHash: string;
}
8 changes: 4 additions & 4 deletions yarn.lock
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Original file line number Diff line number Diff line change
Expand Up @@ -3324,7 +3324,7 @@ __metadata:
version: 0.0.0-use.local
resolution: "@magic-ext/react-native-bare-oauth@workspace:packages/@magic-ext/react-native-bare-oauth"
dependencies:
"@magic-sdk/react-native-bare": ^34.8.0
"@magic-sdk/react-native-bare": ^34.8.1
"@magic-sdk/types": ^27.9.0
"@types/crypto-js": 4.2.0
crypto-js: ^4.2.0
Expand All @@ -3339,7 +3339,7 @@ __metadata:
version: 0.0.0-use.local
resolution: "@magic-ext/react-native-expo-oauth@workspace:packages/@magic-ext/react-native-expo-oauth"
dependencies:
"@magic-sdk/react-native-expo": ^34.8.0
"@magic-sdk/react-native-expo": ^34.8.1
"@magic-sdk/types": ^27.9.0
"@react-native-async-storage/async-storage": ^2.1.2
"@types/crypto-js": ~4.2.0
Expand Down Expand Up @@ -3481,7 +3481,7 @@ __metadata:
languageName: unknown
linkType: soft

"@magic-sdk/react-native-bare@^34.8.0, @magic-sdk/react-native-bare@workspace:packages/@magic-sdk/react-native-bare":
"@magic-sdk/react-native-bare@^34.8.1, @magic-sdk/react-native-bare@workspace:packages/@magic-sdk/react-native-bare":
version: 0.0.0-use.local
resolution: "@magic-sdk/react-native-bare@workspace:packages/@magic-sdk/react-native-bare"
dependencies:
Expand Down Expand Up @@ -3522,7 +3522,7 @@ __metadata:
languageName: unknown
linkType: soft

"@magic-sdk/react-native-expo@^34.8.0, @magic-sdk/react-native-expo@workspace:packages/@magic-sdk/react-native-expo":
"@magic-sdk/react-native-expo@^34.8.1, @magic-sdk/react-native-expo@workspace:packages/@magic-sdk/react-native-expo":
version: 0.0.0-use.local
resolution: "@magic-sdk/react-native-expo@workspace:packages/@magic-sdk/react-native-expo"
dependencies:
Expand Down
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