Predicate Versions
Available predicate versions and their capabilities.
Current Versions
Bako Labs Predicates
Multi-sig with Fuel & WebAuthn
ID: 0x0ec304f98efc18964de98c63be50d2360572a155b16bcb0f3718c685c70a00aa
Developer: Bako Labs
Wallet Origins: fuel, webauthn
Deployed: Testnet, Mainnet
Toolchain: Fuels 0.96.1, Forc 0.65.2Updated Multi-sig
ID: 0x6ca3bcd759b944b128e9007e2fa75bf700f28c39ce7b34fc241e2c57bf02bdff
Developer: Bako Labs
Wallet Origins: fuel, webauthn
Deployed: Testnet, Mainnet
Toolchain: Fuels 0.99.0, Forc 0.66.6EVM Signature Support
ID: 0x967aaa71b3db34acd8104ed1d7ff3900e67cff3d153a0ffa86d85957f579aa6a
Developer: Bako Labs
Description: Enable EVM signature verification
Wallet Origins: fuel, webauthn, evm
Deployed: Testnet, Mainnet
Toolchain: Fuels 0.101.1, Forc 0.68.1Fuel Labs Predicates
SVM Signature
ID: 0x15f8fd16e3281aa89e7567c5f8423f77b34983a8cd7d0a1714100c8bc3d4c8d0
Developer: Fuel Labs
Wallet Origins: svm
Deployed: Testnet, MainnetEVM Connectors
ID: 0xfdac03fc617c264fa6f325fd6f4d2a5470bf44cfbd33bc11efb3bf8b7ee2e938
ID: 0x3499b76bcb35d8bc68fb2fa74fbe1760461f64f0ac19890c0bacb69377ac19d2
ID: 0xbbae06500cd11e6c1d024ac587198cb30c504bf14ba16548f19e21fa9e8f5f95
Developer: Fuel Labs
Wallet Origins: evm
Deployed: Testnet, MainnetVersion Selection
Automatic (Recommended)
import { loadPredicate, getLatestPredicateVersion } from 'bakosafe';
// SDK automatically selects best version
const predicate = await loadPredicate(provider);
// Or get latest for wallet type
const version = await getLatestPredicateVersion('fuel');Manual Selection
import { Vault, loadPredicate } from 'bakosafe';
const specificVersion = '0x6ca3bcd759b944b128e9007e2fa75bf700f28c39ce7b34fc241e2c57bf02bdff';
const vault = Vault.createBakoVault(
provider,
config,
specificVersion
);Version Utilities
Get Compatible Versions
import { getCompatiblePredicateVersions } from 'bakosafe';
// Get all versions compatible with EVM
const evmVersions = getCompatiblePredicateVersions('evm');Get All Versions
import { getAllPredicateVersions, getAllVersionsDetails } from 'bakosafe';
// Get version hashes
const versions = getAllPredicateVersions();
console.log('Available versions:', versions);
// Get detailed info
const details = getAllVersionsDetails();
details.forEach(v => {
console.log(`${v.id}: ${v.walletOrigins.join(', ')}`);
});Check Version Compatibility
import { VaultFactory } from 'bakosafe';
const compatible = VaultFactory.isConfigurationCompatible(
myConfig,
versionHash
);Legacy Connector Support
For existing vaults with older predicate versions:
import { legacyConnectorVersion } from 'bakosafe';
// Get compatible version for legacy wallet
const version = await legacyConnectorVersion(
walletAddress,
provider
);Version Lifecycle
- Active: Current recommended version
- Supported: Still works, may miss new features
- Deprecated: Will be removed in future
- Inactive: No longer supported
Check version status:
const details = getAllVersionsDetails();
const version = details.find(v => v.id === myVersionId);
if (version?.active) {
console.log('Version is active');
} else {
console.log('Consider upgrading to newer version');
}Network Deployment
| Version | Testnet | Mainnet |
|---|---|---|
| Bako v1 | Yes | Yes |
| Bako v2 | Yes | Yes |
| Bako v3 (EVM) | Yes | Yes |
| Fuel SVM | Yes | Yes |
| Fuel EVM | Yes | Yes |