Icon LinkSway Standards

Just like many other smart contract languages, usage standards have been developed to enable cross compatibility between smart contracts.

For more information on using a Sway Standard, please refer to the Sway-Standards Repository Icon Link.

Icon LinkStandards

Icon LinkNative Asset Standards

• SRC-20; Native Asset Standard defines the implementation of a standard API for Native Assets using the Sway Language.
• SRC-3; Mint and Burn is used to enable mint and burn functionality for Native Assets.
• SRC-7; Arbitrary Asset Metadata Standard is used to store metadata for Native Assets , usually as NFTs.
• SRC-9; Metadata Keys Standard is used to store standardized metadata keys for Native Assets in combination with the SRC-7 standard.
• SRC-6; Vault Standard defines the implementation of a standard API for asset vaults developed in Sway.

Icon LinkPredicate Standards

• SRC-13; Soulbound Address Standard defines a specific Address as a Soulbound Address for Soulbound Assets to become non-transferable.

Icon LinkAccess Control Standards

• SRC-5; Ownership Standard is used to restrict function calls to admin users in contracts.

Icon LinkContract Standards

• SRC-12; Contract Factory defines the implementation of a standard API for contract factories.

Icon LinkBridge Standards

• SRC-8; Bridged Asset defines the metadata required for an asset bridged to the Fuel Network.
• SRC-10; Native Bridge Standard defines the standard API for the Native Bridge between the Fuel Chain and the canonical base chain.

Icon LinkDocumentation Standards

• SRC-2; Inline Documentation defines how to document your Sway files.

Icon LinkStandards Support

Libraries have also been developed to support Sway Standards. These can be in Sway-Libs .