iota_types/
transfer.rs

1// Copyright (c) Mysten Labs, Inc.
2// Modifications Copyright (c) 2024 IOTA Stiftung
3// SPDX-License-Identifier: Apache-2.0
4
5use iota_sdk_types::{StructTag, TypeTag};
6use move_binary_format::{CompiledModule, file_format::SignatureToken};
7use move_bytecode_utils::resolve_struct;
8use move_core_types::{account_address::AccountAddress, ident_str, identifier::IdentStr};
9use serde::{Deserialize, Serialize};
10
11use crate::{
12    IOTA_FRAMEWORK_ADDRESS,
13    base_types::{ObjectID, SequenceNumber},
14    id::ID,
15};
16
17pub const RESOLVED_RECEIVING_STRUCT: (&AccountAddress, &IdentStr, &IdentStr) = (
18    &IOTA_FRAMEWORK_ADDRESS,
19    ident_str!("transfer"),
20    ident_str!("Receiving"),
21);
22
23/// Rust version of the Move iota::transfer::Receiving type
24#[derive(Clone, Serialize, Deserialize, Debug)]
25pub struct Receiving {
26    pub id: ID,
27    pub version: SequenceNumber,
28}
29
30impl Receiving {
31    pub fn new(id: ObjectID, version: SequenceNumber) -> Self {
32        Self {
33            id: ID::new(id),
34            version,
35        }
36    }
37
38    pub fn to_bcs_bytes(&self) -> Vec<u8> {
39        bcs::to_bytes(self).expect("Value representation is owned and should always serialize")
40    }
41
42    pub fn struct_tag() -> StructTag {
43        StructTag::new_transfer_receiving()
44    }
45
46    pub fn type_tag() -> TypeTag {
47        TypeTag::Struct(Box::new(Self::struct_tag()))
48    }
49
50    pub fn is_receiving(view: &CompiledModule, s: &SignatureToken) -> bool {
51        use SignatureToken as S;
52        match s {
53            S::MutableReference(inner) | S::Reference(inner) => Self::is_receiving(view, inner),
54            S::DatatypeInstantiation(inst) => {
55                let (idx, type_args) = &**inst;
56                let struct_tag = resolve_struct(view, *idx);
57                struct_tag == RESOLVED_RECEIVING_STRUCT && type_args.len() == 1
58            }
59            _ => false,
60        }
61    }
62}
iota_types/transfer.rs

iota_types/
transfer.rs
