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fix(sdk-lib-mpc): use @bitgo/wasm-mps/web in browser to fix EdDSA MPCv2 DKG TypeError #8643

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Merged
Marzooqa merged 1 commit into from
Apr 29, 2026
+24 −7
Merged

fix(sdk-lib-mpc): use @bitgo/wasm-mps/web in browser to fix EdDSA MPCv2 DKG TypeError #8643

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2 changes: 1 addition & 1 deletion modules/sdk-lib-mpc/package.json
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Original file line number Diff line number Diff line change
Expand Up @@ -36,7 +36,7 @@
]
},
"dependencies": {
"@bitgo/wasm-mps": "1.7.0",
"@bitgo/wasm-mps": "1.8.1",
"@noble/curves": "1.8.1",
"@silencelaboratories/dkls-wasm-ll-node": "1.2.0-pre.4",
"@silencelaboratories/dkls-wasm-ll-web": "1.2.0-pre.4",
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20 changes: 18 additions & 2 deletions modules/sdk-lib-mpc/src/tss/eddsa-mps/dkg.ts
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Expand Up @@ -3,7 +3,9 @@ import { encode } from 'cbor-x';
import crypto from 'crypto';
import { DeserializedMessage, DeserializedMessages, DkgState, EddsaReducedKeyShare } from './types';

type WasmMps = typeof import('@bitgo/wasm-mps');
type NodeWasmer = typeof import('@bitgo/wasm-mps');
type WebWasmer = typeof import('@bitgo/wasm-mps/web');
type WasmMps = NodeWasmer | WebWasmer;

/**
* EdDSA Distributed Key Generation (DKG) implementation using @bitgo/wasm-mps.
Expand Down Expand Up @@ -53,7 +55,21 @@ export class DKG {

private async loadWasmMps(): Promise<void> {
if (!this.wasmMps) {
this.wasmMps = await import('@bitgo/wasm-mps');
if (
typeof window !== 'undefined' &&
/* checks for electron processes */
!window.process &&
!window.process?.['type']
) {
// Browser: web build has explicit init() — guaranteed ready after await
// eslint-disable-next-line import/no-internal-modules -- @bitgo/wasm-mps exposes environment-specific subpath exports.
const webWasm = await import('@bitgo/wasm-mps/web');
await webWasm.default();
this.wasmMps = webWasm;
} else {
// Node.js: dynamic import() rewritten to require() by tsc → CJS build → readFileSync
this.wasmMps = await import('@bitgo/wasm-mps');
}
}
}

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1 change: 1 addition & 0 deletions webpack/bitgojs.config.js
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Expand Up @@ -22,6 +22,7 @@ module.exports = {
'@bitgo/wasm-ton': path.resolve('../../node_modules/@bitgo/wasm-ton/dist/esm/js/index.js'),
'@bitgo/wasm-utxo': path.resolve('../../node_modules/@bitgo/wasm-utxo/dist/esm/js/index.js'),
'@bitgo/wasm-solana': path.resolve('../../node_modules/@bitgo/wasm-solana/dist/esm/js/index.js'),
'@bitgo/wasm-mps/web': path.resolve('../../node_modules/@bitgo/wasm-mps/dist/web/js/wasm/wasm_mps.js'),
'@bitgo/wasm-mps': path.resolve('../../node_modules/@bitgo/wasm-mps/dist/esm/js/wasm/wasm_mps.js'),
'@bitgo/utxo-ord': path.resolve('../utxo-ord/dist/esm/index.js'),
},
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8 changes: 4 additions & 4 deletions yarn.lock
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Expand Up @@ -1015,10 +1015,10 @@
resolved "https://registry.npmjs.org/@bitgo/wasm-dot/-/wasm-dot-1.7.0.tgz"
integrity sha512-KoXavJvyDHlEN+sWcigbgxYJtdFaU7gS0EkYQbNH4npVjNlzo6rL6gwjyWbyOy7oEs65DhpJ9vY5kRbE/bKiTQ==

"@bitgo/wasm-mps@1.7.0":
version "1.7.0"
resolved "https://registry.npmjs.org/@bitgo/wasm-mps/-/wasm-mps-1.7.0.tgz#e7ebca1afd2df757e69c5cdac702d6a06156867c"
integrity sha512-SNO7as4UvnE2ptDXp1oUXjABA8Y3/71lgVpAQyAGSfSaURjz4rG19+JZR54GBRIaA6hvUPr029b4gFyqoZPcgg==
"@bitgo/wasm-mps@1.8.1":
version "1.8.1"
resolved "https://registry.npmjs.org/@bitgo/wasm-mps/-/wasm-mps-1.8.1.tgz#946673f5845696cdcf744f8122fd1fc2be3edce1"
integrity sha512-CV8EXYc1BGYtXdCRDxJ5h04nj/LpMgu3VlkfowlodI6UKcj1zotAvk4OMIdgiPPbKVr1l+xibHDXZYx/uf3rnw==

"@bitgo/wasm-solana@^2.6.0":
version "2.6.0"
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