Interface for whitelists of supported identifiers that the oracle can provide prices for.

addSupportedIdentifier(bytes32 identifier) external

Adds the provided identifier as a supported identifier. Price requests using this identifier will be succeed after this call.

removeSupportedIdentifier(bytes32 identifier) external

Removes the identifier from the whitelist. Price requests using this identifier will no longer succeed after this call.

isIdentifierSupported(bytes32 identifier) → bool external

Checks whether an identifier is on the whitelist.

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