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
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164

use schemars::JsonSchema;
use serde::{de::DeserializeOwned, Deserialize, Serialize};

use cosmwasm_std::{
    to_binary, Api, CanonicalAddr, CosmosMsg, HumanAddr, Querier, StdResult, WasmMsg, WasmQuery,
};

use crate::{
    AllNftInfoResponse, ApprovedForAllResponse, ContractInfoResponse, Cw721HandleMsg,
    Cw721QueryMsg, NftInfoResponse, NumTokensResponse, OwnerOfResponse, TokensResponse,
};

/// Cw721Contract is a wrapper around HumanAddr that provides a lot of helpers
/// for working with this.
///
/// If you wish to persist this, convert to Cw721CanonicalContract via .canonical()
#[derive(Serialize, Deserialize, Clone, Debug, PartialEq, JsonSchema)]
pub struct Cw721Contract(pub HumanAddr);

impl Cw721Contract {
    pub fn addr(&self) -> HumanAddr {
        self.0.clone()
    }

    /// Convert this address to a form fit for storage
    pub fn canonical<A: Api>(&self, api: &A) -> StdResult<Cw721CanonicalContract> {
        let canon = api.canonical_address(&self.0)?;
        Ok(Cw721CanonicalContract(canon))
    }

    pub fn call(&self, msg: Cw721HandleMsg) -> StdResult<CosmosMsg> {
        let msg = to_binary(&msg)?;
        Ok(WasmMsg::Execute {
            contract_addr: self.addr(),
            msg,
            send: vec![],
        }
        .into())
    }

    pub fn query<Q: Querier, T: DeserializeOwned>(
        &self,
        querier: &Q,
        req: Cw721QueryMsg,
    ) -> StdResult<T> {
        let query = WasmQuery::Smart {
            contract_addr: self.addr(),
            msg: to_binary(&req)?,
        }
        .into();
        querier.query(&query)
    }

    /*** queries ***/

    pub fn owner_of<Q: Querier, T: Into<String>>(
        &self,
        querier: &Q,
        token_id: T,
    ) -> StdResult<OwnerOfResponse> {
        let req = Cw721QueryMsg::OwnerOf {
            token_id: token_id.into(),
        };
        self.query(querier, req)
    }

    pub fn approved_for_all<Q: Querier, T: Into<HumanAddr>>(
        &self,
        querier: &Q,
        owner: T,
    ) -> StdResult<Vec<HumanAddr>> {
        let req = Cw721QueryMsg::ApprovedForAll {
            owner: owner.into(),
        };
        let res: ApprovedForAllResponse = self.query(querier, req)?;
        Ok(res.operators)
    }

    pub fn num_tokens<Q: Querier>(&self, querier: &Q) -> StdResult<u64> {
        let req = Cw721QueryMsg::NumTokens {};
        let res: NumTokensResponse = self.query(querier, req)?;
        Ok(res.count)
    }

    /// With metadata extension
    pub fn contract_info<Q: Querier>(&self, querier: &Q) -> StdResult<ContractInfoResponse> {
        let req = Cw721QueryMsg::ContractInfo {};
        self.query(querier, req)
    }

    /// With metadata extension
    pub fn nft_info<Q: Querier, T: Into<String>>(
        &self,
        querier: &Q,
        token_id: T,
    ) -> StdResult<NftInfoResponse> {
        let req = Cw721QueryMsg::NftInfo {
            token_id: token_id.into(),
        };
        self.query(querier, req)
    }

    /// With metadata extension
    pub fn all_nft_info<Q: Querier, T: Into<String>>(
        &self,
        querier: &Q,
        token_id: T,
    ) -> StdResult<AllNftInfoResponse> {
        let req = Cw721QueryMsg::AllNftInfo {
            token_id: token_id.into(),
        };
        self.query(querier, req)
    }

    /// With enumerable extension
    pub fn tokens<Q: Querier, T: Into<HumanAddr>>(
        &self,
        querier: &Q,
        owner: T,
        start_after: Option<String>,
        limit: Option<u32>,
    ) -> StdResult<TokensResponse> {
        let req = Cw721QueryMsg::Tokens {
            owner: owner.into(),
            start_after,
            limit,
        };
        self.query(querier, req)
    }

    /// With enumerable extension
    pub fn all_tokens<Q: Querier>(
        &self,
        querier: &Q,
        start_after: Option<String>,
        limit: Option<u32>,
    ) -> StdResult<TokensResponse> {
        let req = Cw721QueryMsg::AllTokens { start_after, limit };
        self.query(querier, req)
    }

    /// returns true if the contract supports the metadata extension
    pub fn has_metadata<Q: Querier>(&self, querier: &Q) -> bool {
        self.contract_info(querier).is_ok()
    }

    /// returns true if the contract supports the enumerable extension
    pub fn has_enumerable<Q: Querier>(&self, querier: &Q) -> bool {
        self.tokens(querier, self.addr(), None, Some(1)).is_ok()
    }
}

/// This is a respresentation of Cw721Contract for storage.
/// Don't use it directly, just translate to the Cw721Contract when needed.
#[derive(Serialize, Deserialize, Clone, Debug, PartialEq, JsonSchema)]
pub struct Cw721CanonicalContract(pub CanonicalAddr);

impl Cw721CanonicalContract {
    /// Convert this address to a form fit for usage in messages and queries
    pub fn human<A: Api>(&self, api: &A) -> StdResult<Cw721Contract> {
        let human = api.human_address(&self.0)?;
        Ok(Cw721Contract(human))
    }
}