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ERC20Service

evm_sdk::erc::erc20

Struct ERC20Service 

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pub struct ERC20Service { /* private fields */ }
Expand description

ERC20 Service for interacting with ERC20 tokens

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impl ERC20Service

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pub fn new(evm: Arc<Evm>) -> Self

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pub async fn get_balance( &self, token_address: Address, owner: Address, ) -> Result<U256, EvmError>

Get ERC20 token balance

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pub async fn get_total_supply( &self, token_address: Address, ) -> Result<U256, EvmError>

Get ERC20 token total supply

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pub async fn transfer( &self, token_address: Address, to: Address, amount: U256, ) -> Result<H256, EvmError>

Transfer ERC20 tokens

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pub async fn get_allowance( &self, token_address: Address, owner: Address, spender: Address, ) -> Result<U256, EvmError>

Get ERC20 token allowance

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pub async fn approve( &self, token_address: Address, spender: Address, amount: U256, ) -> Result<H256, EvmError>

Approve spender to spend tokens

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pub async fn transfer_from( &self, token_address: Address, from: Address, to: Address, amount: U256, ) -> Result<H256, EvmError>

Transfer from (requires allowance)

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pub async fn get_decimals(&self, token_address: Address) -> Result<u8, EvmError>

Get ERC20 token decimals

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