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feat: support message signing for FLR and MON #7764

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Merged
benkelcher-bitgo merged 1 commit into from
Dec 17, 2025
Merged

feat: support message signing for FLR and MON #7764

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4 changes: 4 additions & 0 deletions modules/account-lib/src/index.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -346,6 +346,10 @@ const coinMessageBuilderFactoryMap = {
tpolygon: Eth.MessageBuilderFactory,
seievm: Eth.MessageBuilderFactory,
tseievm: Eth.MessageBuilderFactory,
flr: Eth.MessageBuilderFactory,
tflr: Eth.MessageBuilderFactory,
mon: Eth.MessageBuilderFactory,
tmon: Eth.MessageBuilderFactory,
};

coins
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10 changes: 10 additions & 0 deletions modules/sdk-coin-flr/src/flr.ts
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Expand Up @@ -85,6 +85,16 @@ export class Flr extends AbstractEthLikeNewCoins {
return 'ecdsa';
}

/** @inheritDoc */
supportsMessageSigning(): boolean {
return true;
}

/** @inheritDoc */
supportsSigningTypedData(): boolean {
return true;
}

protected async buildUnsignedSweepTxnTSS(params: RecoverOptions): Promise<OfflineVaultTxInfo | UnsignedSweepTxMPCv2> {
return this.buildUnsignedSweepTxnMPCv2(params);
}
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10 changes: 10 additions & 0 deletions modules/sdk-coin-mon/src/mon.ts
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Expand Up @@ -46,6 +46,16 @@ export class Mon extends AbstractEthLikeNewCoins {
return 'ecdsa';
}

/** @inheritDoc */
supportsMessageSigning(): boolean {
return true;
}

/** @inheritDoc */
supportsSigningTypedData(): boolean {
return true;
}

protected async buildUnsignedSweepTxnTSS(params: RecoverOptions): Promise<OfflineVaultTxInfo | UnsignedSweepTxMPCv2> {
return this.buildUnsignedSweepTxnMPCv2(params);
}
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8 changes: 7 additions & 1 deletion modules/statics/src/allCoinsAndTokens.ts
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Expand Up @@ -1511,7 +1511,12 @@ export const allCoinsAndTokens = [
18,
UnderlyingAsset.MON,
BaseUnit.ETH,
[...EVM_FEATURES, CoinFeature.SHARED_EVM_SIGNING, CoinFeature.SUPPORTS_ERC20]
[
...EVM_FEATURES,
CoinFeature.SHARED_EVM_SIGNING,
CoinFeature.SHARED_EVM_MESSAGE_SIGNING,
CoinFeature.SUPPORTS_ERC20,
]
),
account(
'5c5ebe50-fa27-4312-ae3d-7032520aedb5',
Expand All @@ -1525,6 +1530,7 @@ export const allCoinsAndTokens = [
...EVM_FEATURES,
CoinFeature.SHARED_EVM_SIGNING,
CoinFeature.SHARED_EVM_SDK,
CoinFeature.SHARED_EVM_MESSAGE_SIGNING,
CoinFeature.EVM_UNSIGNED_SWEEP_RECOVERY,
CoinFeature.EVM_NON_BITGO_RECOVERY,
CoinFeature.SUPPORTS_ERC20,
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1 change: 1 addition & 0 deletions modules/statics/src/coinFeatures.ts
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Expand Up @@ -706,6 +706,7 @@ export const FLR_FEATURES = [
CoinFeature.MULTISIG_SUPPORT_GATED,
CoinFeature.USES_NON_PACKED_ENCODING_FOR_TXDATA,
CoinFeature.ERC20_BULK_TRANSACTION,
CoinFeature.SHARED_EVM_MESSAGE_SIGNING,
];

export const WFLR_FEATURES = [...ACCOUNT_COIN_DEFAULT_FEATURES, CoinFeature.STABLECOIN, CoinFeature.STAKING];
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