1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
use schemars::JsonSchema;
use serde::{Deserialize, Serialize};
use cosmwasm_std::{Addr, Binary, Uint128};
use crate::logo::LogoInfo;
use cw_utils::Expiration;
#[derive(Serialize, Deserialize, Clone, PartialEq, JsonSchema, Debug)]
#[serde(rename_all = "snake_case")]
pub enum Cw20QueryMsg {
/// Returns the current balance of the given address, 0 if unset.
/// Return type: BalanceResponse.
Balance { address: String },
/// Returns metadata on the contract - name, decimals, supply, etc.
/// Return type: TokenInfoResponse.
TokenInfo {},
/// Only with "allowance" extension.
/// Returns how much spender can use from owner account, 0 if unset.
/// Return type: AllowanceResponse.
Allowance { owner: String, spender: String },
/// Only with "mintable" extension.
/// Returns who can mint and the hard cap on maximum tokens after minting.
/// Return type: MinterResponse.
Minter {},
/// Only with "marketing" extension
/// Returns more metadata on the contract to display in the client:
/// - description, logo, project url, etc.
/// Return type: MarketingInfoResponse.
MarketingInfo {},
/// Only with "marketing" extension
/// Downloads the embedded logo data (if stored on chain). Errors if no logo data stored for
/// this contract.
/// Return type: DownloadLogoResponse.
DownloadLogo {},
/// Only with "enumerable" extension (and "allowances")
/// Returns all allowances this owner has approved. Supports pagination.
/// Return type: AllAllowancesResponse.
AllAllowances {
owner: String,
start_after: Option<String>,
limit: Option<u32>,
},
/// Only with "enumerable" extension
/// Returns all accounts that have balances. Supports pagination.
/// Return type: AllAccountsResponse.
AllAccounts {
start_after: Option<String>,
limit: Option<u32>,
},
}
#[derive(Serialize, Deserialize, Clone, PartialEq, JsonSchema, Debug)]
pub struct BalanceResponse {
pub balance: Uint128,
}
#[derive(Serialize, Deserialize, Clone, PartialEq, JsonSchema, Debug)]
pub struct TokenInfoResponse {
pub name: String,
pub symbol: String,
pub decimals: u8,
pub total_supply: Uint128,
}
#[derive(Serialize, Deserialize, Clone, PartialEq, JsonSchema, Debug, Default)]
pub struct AllowanceResponse {
pub allowance: Uint128,
pub expires: Expiration,
}
#[derive(Serialize, Deserialize, Clone, PartialEq, JsonSchema, Debug)]
pub struct MinterResponse {
pub minter: String,
/// cap is a hard cap on total supply that can be achieved by minting.
/// Note that this refers to total_supply.
/// If None, there is unlimited cap.
pub cap: Option<Uint128>,
}
#[derive(Serialize, Deserialize, Clone, PartialEq, JsonSchema, Debug, Default)]
pub struct MarketingInfoResponse {
/// A URL pointing to the project behind this token.
pub project: Option<String>,
/// A longer description of the token and it's utility. Designed for tooltips or such
pub description: Option<String>,
/// A link to the logo, or a comment there is an on-chain logo stored
pub logo: Option<LogoInfo>,
/// The address (if any) who can update this data structure
pub marketing: Option<Addr>,
}
/// When we download an embedded logo, we get this response type.
/// We expect a SPA to be able to accept this info and display it.
#[derive(Serialize, Deserialize, Clone, PartialEq, JsonSchema, Debug)]
pub struct DownloadLogoResponse {
pub mime_type: String,
pub data: Binary,
}
#[derive(Serialize, Deserialize, Clone, PartialEq, JsonSchema, Debug)]
pub struct AllowanceInfo {
pub spender: String,
pub allowance: Uint128,
pub expires: Expiration,
}
#[derive(Serialize, Deserialize, Clone, PartialEq, JsonSchema, Debug, Default)]
pub struct AllAllowancesResponse {
pub allowances: Vec<AllowanceInfo>,
}
#[derive(Serialize, Deserialize, Clone, PartialEq, JsonSchema, Debug, Default)]
pub struct AllAccountsResponse {
pub accounts: Vec<String>,
}