Teeracle¶

Calls¶

add_to_whitelist¶

See [Pallet::add_to_whitelist].

Attributes¶

Name	Type
data_source	`DataSource`
enclave_fingerprint	`EnclaveFingerprint`

Python¶

call = substrate.compose_call(
    'Teeracle', 'add_to_whitelist', {
    'data_source': 'Bytes',
    'enclave_fingerprint': 'scale_info::12',
}
)

remove_from_whitelist¶

See [Pallet::remove_from_whitelist].

Attributes¶

Name	Type
data_source	`DataSource`
enclave_fingerprint	`EnclaveFingerprint`

Python¶

call = substrate.compose_call(
    'Teeracle', 'remove_from_whitelist', {
    'data_source': 'Bytes',
    'enclave_fingerprint': 'scale_info::12',
}
)

update_exchange_rate¶

See [Pallet::update_exchange_rate].

Attributes¶

Name	Type
data_source	`DataSource`
trading_pair	`TradingPairString`
new_value	`Option<ExchangeRate>`

Python¶

call = substrate.compose_call(
    'Teeracle', 'update_exchange_rate', {
    'data_source': 'Bytes',
    'new_value': (
        None,
        {'bits': 'u64'},
    ),
    'trading_pair': 'Bytes',
}
)

update_oracle¶

See [Pallet::update_oracle].

Attributes¶

Name	Type
oracle_data_name	`OracleDataName`
data_source	`DataSource`
new_blob	`OracleDataBlob<T>`

Python¶

call = substrate.compose_call(
    'Teeracle', 'update_oracle', {
    'data_source': 'Bytes',
    'new_blob': 'Bytes',
    'oracle_data_name': 'Bytes',
}
)

Events¶

AddedToWhitelist¶

an oracle fingerprint has been added to the whitelist

Attributes¶

Name	Type	Composition
data_source	`DataSource`	`Bytes`
enclave_fingerprint	`EnclaveFingerprint`	`scale_info::12`

ExchangeRateDeleted¶

The exchange rate of trading pair was deleted.

Attributes¶

Name	Type	Composition
data_source	`DataSource`	`Bytes`
trading_pair	`TradingPairString`	`Bytes`

ExchangeRateUpdated¶

The exchange rate of trading pair was set/updated with value from source.

Attributes¶

Name	Type	Composition
data_source	`DataSource`	`Bytes`
trading_pair	`TradingPairString`	`Bytes`
exchange_rate	`ExchangeRate`	`{'bits': 'u64'}`

OracleUpdated¶

a generic named oracle has updated its data blob

Attributes¶

Name	Type	Composition
oracle_data_name	`OracleDataName`	`Bytes`
data_source	`DataSource`	`Bytes`

RemovedFromWhitelist¶

an oracle fingerprint has been removed from the whitelist

Attributes¶

Name	Type	Composition
data_source	`DataSource`	`Bytes`
enclave_fingerprint	`EnclaveFingerprint`	`scale_info::12`

Storage functions¶

ExchangeRates¶

Exchange rates chain's cryptocurrency/currency (trading pair) from different sources

Python¶

result = substrate.query(
    'Teeracle', 'ExchangeRates', ['Bytes', 'Bytes']
)

Return value¶

{'bits': 'u64'}

OracleData¶

Python¶

result = substrate.query(
    'Teeracle', 'OracleData', ['Bytes', 'Bytes']
)

Return value¶

'Bytes'

Whitelists¶

whitelist of trusted oracle's releases for different data sources

Python¶

result = substrate.query(
    'Teeracle', 'Whitelists', ['Bytes']
)

Return value¶

['scale_info::12']

Constants¶

MaxOracleBlobLen¶

Value¶

Python¶

constant = substrate.get_constant('Teeracle', 'MaxOracleBlobLen')

MaxWhitelistedReleases¶

Max number of whitelisted oracle's releases allowed

Value¶

Python¶

constant = substrate.get_constant('Teeracle', 'MaxWhitelistedReleases')

Errors¶

DataSourceStringTooLong¶

data source string too long

FingerprintAlreadyWhitelisted¶

enclave fingerprint already whitelisted for this data source.

FingerprintNotWhitelisted¶

calling enclave fingerprint not whitelisted for this data source.

FingerprintWhitelistOverflow¶

Too many enclave fingerprints in the whitelist for this data source.

OracleBlobTooBig¶

generic oracle blob too big

OracleDataNameStringTooLong¶

generic oracle data name string too long

TradingPairStringTooLong¶

trading pair string too long