Struct SeiQuerier 

pub struct SeiQuerier<'a> { /* private fields */ }

This is a helper wrapper to easily use our custom queries

Implementations

impl<'a> SeiQuerier<'a>

pub fn new(querier: &'a QuerierWrapper<'_, SeiQueryWrapper>) -> Self

pub fn query_exchange_rates(&self) -> StdResult<ExchangeRatesResponse>

pub fn query_oracle_twaps( &self, lookback_seconds: u64, ) -> StdResult<OracleTwapsResponse>

pub fn query_dex_twaps( &self, lookback_seconds: u64, contract_address: Addr, ) -> StdResult<DexTwapsResponse>

pub fn query_order_simulation( &self, order: Order, contract_address: Addr, ) -> StdResult<OrderSimulationResponse>

pub fn query_get_orders( &self, contract_address: Addr, account: Addr, ) -> StdResult<GetOrdersResponse>

pub fn query_get_order_by_id( &self, contract_address: Addr, price_denom: String, asset_denom: String, order_id: u64, ) -> StdResult<GetOrderByIdResponse>

pub fn query_epoch(&self) -> StdResult<EpochResponse>

pub fn query_get_latest_price( &self, contract_address: Addr, price_denom: String, asset_denom: String, ) -> StdResult<GetLatestPriceResponse>

pub fn query_denom_authority_metadata( &self, denom: String, ) -> StdResult<DenomAuthorityMetadataResponse>

pub fn query_denoms_from_creator( &self, creator: Addr, ) -> StdResult<DenomsFromCreatorResponse>

pub fn static_call( &self, from: String, to: String, data: String, ) -> StdResult<StaticCallResponse>

Calls the EVM contract deployed at the to address with the given data. The from address is the caller’s Sei native (bech32-encoded ‘sei*’) address. Please note that the CW contract has to be in the allow list in order to execute a delegate call.

The EVM (Solidity) contract msg.sender in this case will be the caller’s address.

Arguments

• from - Sei native (bech32-encoded ‘sei*’) address of the caller.
• to - The address of the EVM contract to call.
• data - Base64 encoded data to pass to the contract.

Returns

• StdResult<StaticCallResponse> - A standard result that wraps the StaticCallResponse struct.

Errors

This function will return an error if the query to the EVM fails.

pub fn erc20_transfer_payload( &self, recipient: String, amount: Uint128, ) -> StdResult<ErcPayloadResponse>

Query to get hex payload for the ERC-20 transfer function

Arguments

• recipient - Recipient Sei native (bech32-encoded ‘sei*’) address.
• amount - The amount to transfer.

Returns

• StdResult<ErcPayloadResponse> - A standard result that wraps the ErcPayloadResponse struct. The ErcPayloadResponse struct contains the base64-encoded bytes.

Errors

This function will return an error if the query fails.

pub fn erc20_transfer_from_payload( &self, owner: String, recipient: String, amount: Uint128, ) -> StdResult<ErcPayloadResponse>

Query to get hex payload for the ERC-20 transferFrom function

Arguments

• owner - Owner Sei native (bech32-encoded ‘sei*’) address.
• recipient - Recipient Sei native (bech32-encoded ‘sei*’) address.
• amount - The amount to transfer.

Returns

• StdResult<ErcPayloadResponse> - A standard result that wraps the ErcPayloadResponse struct. The ErcPayloadResponse struct contains the base64-encoded bytes.

Errors

This function will return an error if the query fails.

pub fn erc20_approve_payload( &self, spender: String, amount: Uint128, ) -> StdResult<ErcPayloadResponse>

Query to get hex payload for the ERC-20 approve function

Arguments

• spender - Spender Sei native (bech32-encoded ‘sei*’) address.
• amount - The amount to approve.

Returns

• StdResult<ErcPayloadResponse> - A standard result that wraps the ErcPayloadResponse struct. The ErcPayloadResponse struct contains the base64-encoded bytes.

Errors

This function will return an error if the query fails.

pub fn erc20_allowance( &self, contract_address: String, owner: String, spender: String, ) -> StdResult<Erc20AllowanceResponse>

Query to get the remaining number of tokens that spender will be allowed to spend on behalf of owner through

Arguments

• contract_address - The contract address of the ERC-20 token.
• owner - Owner Sei native (bech32-encoded ‘sei*’) address.
• spender - Spender Sei native (bech32-encoded ‘sei*’) address.

Returns

• StdResult<Erc20AllowanceResponse> - A standard result that wraps the Erc20AllowanceResponse. Erc20AllowanceResponse contains the amount which spender is still allowed to withdraw from owner

Errors

This function will return an error if the query fails.

pub fn erc20_token_info( &self, contract_address: String, caller: String, ) -> StdResult<TokenInfoResponse>

Query to get the token info, including the name, symbol, decimals and total supply

Arguments

• contract_address - The contract address of the ERC-20 token.
• caller - Caller Sei native (bech32-encoded ‘sei*’) address.

Returns

• StdResult<TokenInfoResponse> - A standard result that wraps the TokenInfoResponse.

Errors

This function will return an error if the query fails.

pub fn erc20_balance( &self, contract_address: String, account: String, ) -> StdResult<BalanceResponse>

Query to get the balance of the account with the given address. Executes the balanceOf ERC-20 function under the hood.

Arguments

• contract_address - The contract address of the ERC-20 token.
• account - Sei native (bech32-encoded ‘sei*’) account address.

Returns

• StdResult<BalanceResponse> - A standard result that wraps the BalanceResponse.

Errors

This function will return an error if the query fails.

pub fn erc721_owner( &self, caller: String, contract_address: String, token_id: String, ) -> StdResult<Erc721OwnerResponse>

Query to get the address of the owner of the NFT. Executes ERC-721 ownerOf function under the hood.

Arguments

• caller - Caller Sei native (bech32-encoded ‘sei*’) address.
• contract_address - The contract address of the ERC-721 token.
• token_id - The identifier for an NFT. String representation of the token ID.

Returns

• StdResult<Erc721OwnerResponse> - A standard result that wraps the Erc721OwnerResponse.

Errors

This function will return an error if the query fails.

pub fn erc721_approved( &self, caller: String, contract_address: String, token_id: String, ) -> StdResult<Erc721ApprovedResponse>

Query to get the approved address for a single NFT. Executes ERC-721 getApproved function.

Arguments

• caller - Caller Sei native (bech32-encoded ‘sei*’) address.
• contract_address - The contract address of the ERC-721 token.
• token_id - The identifier for an NFT. String representation of the token ID.

Returns

• StdResult<Erc721ApprovedResponse> - A standard result that wraps the Erc721ApprovedResponse.

Errors

This function will return an error if the query fails.

pub fn erc721_is_approved_for_all( &self, caller: String, contract_address: String, owner: String, operator: String, ) -> StdResult<Erc721IsApprovedForAllResponse>

Query if an address is an authorized operator for another address. Executes ERC-721 isApprovedForAll function.

Arguments

• caller - Caller Sei native (bech32-encoded ‘sei*’) address.
• contract_address - The contract address of the ERC-721 token.
• owner - The owner of the NFT Sei native (bech32-encoded ‘sei*’) address
• operator - The operator Sei address that acts on behalf of the owner

Returns

• StdResult<Erc721IsApprovedForAllResponse> - A standard result that wraps the Erc721IsApprovedForAllResponse.

Errors

This function will return an error if the query fails.

pub fn erc721_name_symbol( &self, caller: String, contract_address: String, ) -> StdResult<Erc721NameSymbolResponse>

Query to get the name and symbol of the ERC-721 contract. Executes ERC-721 name and symbol functions under the hood.

Arguments

• caller - Caller Sei native (bech32-encoded ‘sei*’) address.
• contract_address - The contract address of the ERC-721 token.

Returns

• StdResult<Erc721NameSymbolResponse> - A standard result that wraps the Erc721NameSymbolResponse.

Errors

This function will return an error if the query fails.

pub fn erc721_uri( &self, caller: String, contract_address: String, token_id: String, ) -> StdResult<Erc721UriResponse>

Query to get the URI for a given NFT. Executes ERC-721 tokenURI function under the hood.

Arguments

• caller - Caller Sei native (bech32-encoded ‘sei*’) address.
• contract_address - The contract address of the ERC-721 token.
• token_id - The identifier for an NFT. String representation of the token ID.

Returns

• StdResult<Erc721UriResponse> - A standard result that wraps the Erc721UriResponse.

Errors

This function will return an error if the query fails.

pub fn erc721_transfer_payload( &self, from: String, recipient: String, token_id: String, ) -> StdResult<ErcPayloadResponse>

Query to get the hex payload for the ERC-721 transferFrom function

Arguments

• from - Sender Sei native (bech32-encoded ‘sei*’) address.
• recipient - Recipient Sei native (bech32-encoded ‘sei*’) address.
• token_id - The identifier for an NFT. String representation of the token ID.

Returns

• StdResult<ErcPayloadResponse> - A standard result that wraps the ErcPayloadResponse. ErcPayloadResponse contains the base64-encoded bytes.

Errors

This function will return an error if the query fails.

pub fn erc721_approve_payload( &self, spender: String, token_id: String, ) -> StdResult<ErcPayloadResponse>

Query to get the hex payload for the ERC-721 approve function

Arguments

• spender - Spender Sei native (bech32-encoded ‘sei*’) address.
• token_id - The identifier for an NFT. String representation of the token ID.

Returns

• StdResult<ErcPayloadResponse> - A standard result that wraps the ErcPayloadResponse. ErcPayloadResponse contains the base64-encoded bytes.

Errors

This function will return an error if the query fails.

pub fn erc721_set_approval_all_payload( &self, to: String, approved: bool, ) -> StdResult<ErcPayloadResponse>

Query to get the hex payload for the ERC-721 setApprovalForAll function.

Arguments

• to - Sei native (bech32-encoded ‘sei*’) address of the operator
• approved - Boolean representing the status to set

Returns

• StdResult<ErcPayloadResponse> - A standard result that wraps the ErcPayloadResponse. ErcPayloadResponse contains the base64-encoded bytes.

Errors

This function will return an error if the query fails.

pub fn get_evm_address( &self, sei_address: String, ) -> StdResult<EvmAddressResponse>

Queries the EVM (Ethereum Virtual Machine) address associated with a given Sei address.

This function takes a sei_address as a parameter, which is a String representing the SEI address. It returns a StdResult<EvmAddressResponse>, which is a standard result type in the cosmwasm_std library. The EvmAddressResponse struct contains the EVM address and a boolean indicating whether the EVM address is associated.

Arguments

• sei_address - A String that represents the Sei native (bech32-encoded ‘sei*’) address.

Returns

• StdResult<EvmAddressResponse> - A standard result that wraps the EvmAddressResponse struct. EvmAddressResponse contains the EVM address and a boolean indicating whether the EVM address is associated. If the Sei address is not associated with any EVM address, the EVM address will be an empty string.

Errors

This function will return an error if the query to the EVM fails.

pub fn get_sei_address( &self, evm_address: String, ) -> StdResult<SeiAddressResponse>

Queries the Sei address associated with a given EVM address.

This function takes an evm_address as a parameter, which is a String representing the EVM address. It returns a StdResult<SeiAddressResponse>, which is a standard result type in the cosmwasm_std library. The SeiAddressResponse struct contains the Sei address. If the EVM address is not associated with any Sei address, the Sei address will be an empty string.

Arguments

• evm_address - A String that represents the EVM address.

Returns

• StdResult<SeiAddressResponse> - A standard result that wraps the SeiAddressResponse struct. SeiAddressResponse contains the Sei address. If the EVM address is not associated with any Sei address, the Sei address will be an empty string.

Errors

This function will return an error if the query to the EVM fails.