Crate near_sdk

Modules

collections	Collections that offer an alternative to standard containers from std::collections::* by utilizing the underlying blockchain trie storage more efficiently.
env	Blockchain-specific methods available to the smart contract. This is a wrapper around a low-level BlockchainInterface. Unless you know what you are doing prefer using env::* whenever possible. In case of cross-contract calls prefer using even higher-level API available through callback_args, callback_args_vec, ext_contract, Promise, and PromiseOrValue.
json_types	Helper types for JSON serialization.

Macros

metadata	metadata generates the metadata method and should be placed at the very end of the lib.rs file. TODO: Once Rust allows inner attributes and custom procedural macros for modules we should switch this to be #![metadata] attribute at the top of the contract file instead. https://github.com/rust-lang/rust/issues/54727
testing_env

Structs

Metadata	Metadata of the contract.
MethodMetadata	Metadata of a single method.
MockedBlockchain	Mocked blockchain that can be used in the tests for the smart contracts. It implements BlockchainInterface by redirecting calls to VMLogic. It unwraps errors of VMLogic to cause panic during the unit test similarly to how errors of VMLogic would cause the termination of guest program execution. Unit tests can even assert the expected error message.
Promise	A structure representing a result of the scheduled execution on another contract.
RuntimeFeesConfig
VMConfig
VMContext	Context for the contract execution.

Enums

PromiseOrValue
PromiseResult	When there is a callback attached to one or more contract calls the execution results of these calls are available to the contract invoked through the callback.
ReturnData

Traits

BlockchainInterface

A low-level interface of either real or mocked blockchain that contract interacts with.

Type Definitions

AccountId
Balance
BlockHeight
EpochHeight
Gas
IteratorIndex
PromiseIndex
PublicKey
ReceiptIndex
StorageUsage

Attribute Macros

callback	callback is a marker attribute it does not generate code by itself.
callback_vec	callback_args_vec is a marker attribute it does not generate code by itself.
ext_contract
init	init is a marker attribute it does not generate code by itself.
near_bindgen
result_serializer	result_serializer is a marker attribute it does not generate code by itself.
serializer	serializer is a marker attribute it does not generate code by itself.