B20 Check

{'type': 'object', '$schema': 'http://json-schema.org/draft-07/schema#', 'properties': {}}

{'type': 'object', '$schema': 'http://json-schema.org/draft-07/schema#', 'properties': {'source': {'type': 'string'}, 'lastUpdated': {'type': 'string'}, 'snapshotBlock': {'type': 'number'}, 'tokensIndexed': {'type': 'number'}, 'l30DaysTotalCalls': {'type': ['number', 'null']}, 'l30DaysUniquePayers': {'type': ['number', 'null']}}, 'additionalProperties': False}

{'type': 'object', '$schema': 'http://json-schema.org/draft-07/schema#', 'required': ['address'], 'properties': {'address': {'type': 'string', 'pattern': '^0x[0-9a-fA-F]{40}$', 'description': 'The token contract address on Base to check (B20 addresses usually start with 0xb20).'}}, 'additionalProperties': False}

{'type': 'object', '$schema': 'http://json-schema.org/draft-07/schema#', 'required': ['address', 'isB20', 'verdict', 'dataSource', 'flags'], 'properties': {'flags': {'type': 'array', 'items': {'type': 'object', 'required': ['code', 'severity', 'detail'], 'properties': {'code': {'type': 'string'}, 'detail': {'type': 'string'}, 'severity': {'enum': ['info', 'low', 'medium', 'high'], 'type': 'string'}}, 'additionalProperties': False}, 'description': 'Risk flags. Derivation rules: https://b20check.com/methodology'}, 'isB20': {'type': 'boolean', 'description': 'True only for a factory-native B20 token.'}, 'address': {'type': 'string', 'description': 'The checked token address (EIP-55).'}, 'network': {'type': 'string'}, 'variant': {}, 'verdict': {'enum': ['ok', 'caution', 'danger', 'not_applicable'], 'type': 'string', 'description': 'Roll-up verdict. not_applicable = out of scope, do NOT read as safe.'}, 'creation': {}, 'dataSource': {'enum': ['indexed', 'live', 'not_indexed'], 'type': 'string', 'description': 'Data freshness. not_indexed = powers could not be fully checked; never a clean pass.'}, 'attestation': {'description': 'Block-pinned EIP-712 attestation; verification recipe at https://b20check.com/v1/schema'}, 'issuerPowers': {'description': 'mint/burn/pause/freeze/seize/admin powers, latent-inclusive.'}, 'issuerActivity': {}}, 'additionalProperties': False}