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use crate::{
address::Address,
crypto::Hash,
ffi::{
boxed::{AscBox, AscRef},
eth::{
AscBlock, AscCall, AscEthereumSmartContractCall, AscEvent, AscEventParam, AscLog,
AscTransaction, AscTransactionReceipt,
},
str::{AscStr, AscString},
sys,
types::AscBytes,
value::{AscArray, AscEthereumValue, AscEthereumValueData},
},
num::BigInt,
};
use indexmap::IndexMap;
pub fn call(call: SmartContractCall) -> Option<Vec<Value>> {
let call = call.to_raw();
let result = unsafe {
let result = sys::ethereum__call(call.as_ptr());
if result.is_null() {
return None;
}
&*result
};
Some(
result
.as_slice()
.iter()
.map(|value| Value::from_raw(value.as_asc_ref()))
.collect(),
)
}
pub fn encode(value: &Value) -> Option<Vec<u8>> {
let value = value.to_raw();
let data = unsafe {
let data = sys::ethereum__encode(value.as_ptr());
if data.is_null() {
return None;
}
&*data
};
Some(data.as_slice().to_owned())
}
pub fn decode(signature: impl AsRef<str>, data: impl AsRef<[u8]>) -> Option<Value> {
let signature = AscString::new(signature.as_ref());
let data = AscBytes::from_bytes(data.as_ref());
let value = unsafe {
let value = sys::ethereum__decode(signature.as_ptr(), data.as_ptr());
if value.is_null() {
return None;
}
&*value
};
Some(Value::from_raw(value))
}
#[derive(Clone, Debug, Eq, PartialEq)]
pub enum Value {
Address(Address),
FixedBytes(Vec<u8>),
Bytes(Vec<u8>),
Int(BigInt),
Uint(BigInt),
Bool(bool),
String(String),
FixedArray(Vec<Value>),
Array(Vec<Value>),
Tuple(Vec<Value>),
}
impl Value {
fn from_raw(raw: &'static AscRef<AscEthereumValue>) -> Self {
match raw.data() {
AscEthereumValueData::Address(value) => Self::Address(Address::from_raw(value)),
AscEthereumValueData::FixedBytes(value) => {
Self::FixedBytes(value.as_slice().to_owned())
}
AscEthereumValueData::Bytes(value) => Self::Bytes(value.as_slice().to_owned()),
AscEthereumValueData::Int(value) => Self::Int(BigInt::from_raw(value)),
AscEthereumValueData::Uint(value) => Self::Uint(BigInt::from_raw(value)),
AscEthereumValueData::Bool(value) => Self::Bool(value),
AscEthereumValueData::String(value) => Self::String(value.to_string_lossy()),
AscEthereumValueData::FixedArray(value) => Self::FixedArray(
value
.as_slice()
.iter()
.map(|value| Value::from_raw(value.as_asc_ref()))
.collect(),
),
AscEthereumValueData::Array(value) => Self::Array(
value
.as_slice()
.iter()
.map(|value| Value::from_raw(value.as_asc_ref()))
.collect(),
),
AscEthereumValueData::Tuple(value) => Self::Tuple(
value
.as_slice()
.iter()
.map(|value| Value::from_raw(value.as_asc_ref()))
.collect(),
),
}
}
fn to_raw(&self) -> AscBox<AscEthereumValue> {
match self {
Self::Address(value) => AscEthereumValue::address(value.to_raw()),
Self::FixedBytes(value) => AscEthereumValue::fixedbytes(AscBytes::from_bytes(value)),
Self::Bytes(value) => AscEthereumValue::bytes(AscBytes::from_bytes(value)),
Self::Int(value) => AscEthereumValue::int(value.as_raw().to_owned()),
Self::Uint(value) => AscEthereumValue::uint(value.as_raw().to_owned()),
Self::Bool(value) => AscEthereumValue::bool(*value),
Self::String(value) => AscEthereumValue::string(AscString::new(value)),
Self::FixedArray(value) => AscEthereumValue::fixedarray(AscArray::new(
value.iter().map(|value| value.to_raw()).collect(),
)),
Self::Array(value) => AscEthereumValue::array(AscArray::new(
value.iter().map(|value| value.to_raw()).collect(),
)),
Self::Tuple(value) => AscEthereumValue::tuple(AscArray::new(
value.iter().map(|value| value.to_raw()).collect(),
)),
}
}
pub fn as_address(&self) -> Option<Address> {
match self {
Self::Address(value) => Some(*value),
_ => None,
}
}
pub fn as_fixed_bytes(&self) -> Option<&[u8]> {
match self {
Self::FixedBytes(value) => Some(value),
_ => None,
}
}
pub fn as_bytes(&self) -> Option<&[u8]> {
match self {
Self::Bytes(value) => Some(value),
_ => None,
}
}
pub fn as_int(&self) -> Option<&BigInt> {
match self {
Self::Int(value) => Some(value),
_ => None,
}
}
pub fn as_uint(&self) -> Option<&BigInt> {
match self {
Self::Uint(value) => Some(value),
_ => None,
}
}
pub fn as_bool(&self) -> Option<bool> {
match self {
Self::Bool(value) => Some(*value),
_ => None,
}
}
pub fn as_string(&self) -> Option<&str> {
match self {
Self::String(value) => Some(value),
_ => None,
}
}
pub fn as_fixed_array(&self) -> Option<&[Self]> {
match self {
Self::FixedArray(value) => Some(value),
_ => None,
}
}
pub fn as_array(&self) -> Option<&[Self]> {
match self {
Self::Array(value) => Some(value),
_ => None,
}
}
pub fn as_tuple(&self) -> Option<&[Self]> {
match self {
Self::Tuple(value) => Some(value),
_ => None,
}
}
}
pub type Bloom = [u8; 256];
#[derive(Clone, Debug, Eq, PartialEq)]
pub struct Block {
pub hash: Hash,
pub parent_hash: Hash,
pub uncles_hash: Hash,
pub author: Address,
pub state_root: Hash,
pub transactions_root: Hash,
pub receipts_root: Hash,
pub number: BigInt,
pub gas_used: BigInt,
pub gas_limit: BigInt,
pub timestamp: BigInt,
pub difficulty: BigInt,
pub total_difficulty: BigInt,
pub size: Option<BigInt>,
pub base_fee_per_gas: Option<BigInt>,
}
pub type BlockPtr = *const AscRef<AscBlock>;
impl Block {
fn from_raw(b: &'static AscRef<AscBlock>) -> Self {
Self {
hash: b.hash().as_slice().try_into().unwrap(),
parent_hash: b.parent_hash().as_slice().try_into().unwrap(),
uncles_hash: b.uncles_hash().as_slice().try_into().unwrap(),
author: Address::from_raw(b.author()),
state_root: b.state_root().as_slice().try_into().unwrap(),
transactions_root: b.transactions_root().as_slice().try_into().unwrap(),
receipts_root: b.receipts_root().as_slice().try_into().unwrap(),
number: BigInt::from_raw(b.number()),
gas_used: BigInt::from_raw(b.gas_used()),
gas_limit: BigInt::from_raw(b.gas_limit()),
timestamp: BigInt::from_raw(b.timestamp()),
difficulty: BigInt::from_raw(b.difficulty()),
total_difficulty: BigInt::from_raw(b.total_difficulty()),
size: b.size().map(BigInt::from_raw),
base_fee_per_gas: b.base_fee_per_gas().map(BigInt::from_raw),
}
}
pub unsafe fn from_ptr(ptr: BlockPtr) -> Self {
Self::from_raw(&*ptr)
}
}
#[derive(Clone, Debug, Eq, PartialEq)]
pub struct Transaction {
pub hash: Hash,
pub index: BigInt,
pub from: Address,
pub to: Option<Address>,
pub value: BigInt,
pub gas_limit: BigInt,
pub gas_price: BigInt,
pub input: Vec<u8>,
pub nonce: BigInt,
}
impl Transaction {
fn from_raw(t: &'static AscRef<AscTransaction>) -> Self {
Self {
hash: t.hash().as_slice().try_into().unwrap(),
index: BigInt::from_raw(t.index()),
from: Address::from_raw(t.from()),
to: t.to().map(Address::from_raw),
value: BigInt::from_raw(t.value()),
gas_limit: BigInt::from_raw(t.gas_limit()),
gas_price: BigInt::from_raw(t.gas_price()),
input: t.input().as_slice().to_owned(),
nonce: BigInt::from_raw(t.nonce()),
}
}
}
#[derive(Clone, Debug, Eq, PartialEq)]
pub struct TransactionReceipt {
pub transaction_hash: Hash,
pub transaction_index: BigInt,
pub block_hash: Hash,
pub block_number: BigInt,
pub cumulative_gas_used: BigInt,
pub gas_used: BigInt,
pub contract_address: Address,
pub logs: Vec<Log>,
pub status: BigInt,
pub root: Hash,
pub logs_bloom: Bloom,
}
impl TransactionReceipt {
fn from_raw(t: &'static AscRef<AscTransactionReceipt>) -> Self {
Self {
transaction_hash: t.transaction_hash().as_slice().try_into().unwrap(),
transaction_index: BigInt::from_raw(t.transaction_index()),
block_hash: t.block_hash().as_slice().try_into().unwrap(),
block_number: BigInt::from_raw(t.block_number()),
cumulative_gas_used: BigInt::from_raw(t.cumulative_gas_used()),
gas_used: BigInt::from_raw(t.gas_used()),
contract_address: Address::from_raw(t.contract_address()),
logs: t
.logs()
.as_slice()
.iter()
.map(|l| Log::from_raw(l.as_asc_ref()))
.collect(),
status: BigInt::from_raw(t.status()),
root: t.root().as_slice().try_into().unwrap(),
logs_bloom: t.logs_bloom().as_slice().try_into().unwrap(),
}
}
}
#[derive(Clone, Debug, Eq, PartialEq)]
pub struct Log {
pub address: Address,
pub topics: Vec<Hash>,
pub data: Vec<u8>,
pub block_hash: Hash,
pub block_number: BigInt,
pub transaction_hash: Hash,
pub transaction_index: BigInt,
pub log_index: BigInt,
pub transaction_log_index: BigInt,
pub log_type: Option<String>,
pub removed: Option<bool>,
}
impl Log {
fn from_raw(l: &'static AscRef<AscLog>) -> Self {
Self {
address: Address::from_raw(l.address()),
topics: l
.topics()
.as_slice()
.iter()
.map(|t| t.as_asc_ref().as_slice().try_into().unwrap())
.collect(),
data: l.data().as_slice().to_owned(),
block_hash: l.block_hash().as_slice().try_into().unwrap(),
block_number: BigInt::from_raw(l.block_number()),
transaction_hash: l.transaction_hash().as_slice().try_into().unwrap(),
transaction_index: BigInt::from_raw(l.transaction_index()),
log_index: BigInt::from_raw(l.log_index()),
transaction_log_index: BigInt::from_raw(l.transaction_log_index()),
log_type: l.log_type().map(AscStr::to_string_lossy),
removed: l.removed().map(|r| **r),
}
}
}
#[derive(Clone, Debug, Eq, PartialEq)]
pub struct Call {
pub to: Address,
pub from: Address,
pub block: Block,
pub transaction: Transaction,
pub input_values: IndexMap<String, Value>,
pub output_values: IndexMap<String, Value>,
}
pub type CallPtr = *const AscRef<AscCall>;
impl Call {
fn from_raw(c: &'static AscRef<AscCall>) -> Self {
Self {
to: Address::from_raw(c.to()),
from: Address::from_raw(c.from()),
block: Block::from_raw(c.block()),
transaction: Transaction::from_raw(c.transaction()),
input_values: params(c.input_values()),
output_values: params(c.output_values()),
}
}
pub unsafe fn from_ptr(ptr: CallPtr) -> Self {
Self::from_raw(&*ptr)
}
}
#[derive(Clone, Debug, Eq, PartialEq)]
pub struct Event {
pub address: Address,
pub log_index: BigInt,
pub transaction_log_index: BigInt,
pub log_type: Option<String>,
pub block: Block,
pub transaction: Transaction,
pub parameters: IndexMap<String, Value>,
pub receipt: Option<TransactionReceipt>,
}
pub type EventPtr = *const AscRef<AscEvent>;
impl Event {
fn from_raw(e: &'static AscRef<AscEvent>) -> Self {
Self {
address: Address::from_raw(e.address()),
log_index: BigInt::from_raw(e.log_index()),
transaction_log_index: BigInt::from_raw(e.transaction_log_index()),
log_type: e.log_type().map(AscStr::to_string_lossy),
block: Block::from_raw(e.block()),
transaction: Transaction::from_raw(e.transaction()),
parameters: params(e.parameters()),
receipt: None,
}
}
pub unsafe fn from_ptr(ptr: EventPtr) -> Self {
Self::from_raw(&*ptr)
}
pub unsafe fn from_ptr_with_receipt(ptr: EventPtr) -> Self {
Self {
receipt: (*ptr).receipt().map(TransactionReceipt::from_raw),
..Self::from_raw(&*ptr)
}
}
}
pub fn params(p: &'static AscRef<AscArray<AscBox<AscEventParam>>>) -> IndexMap<String, Value> {
p.as_slice()
.iter()
.map(|p| {
let p = p.as_asc_ref();
(p.name().to_string_lossy(), Value::from_raw(p.value()))
})
.collect()
}
#[derive(Clone, Copy, Debug, Eq, PartialEq)]
pub struct Contract<'a> {
pub name: &'a str,
pub address: &'a Address,
}
#[derive(Clone, Copy, Debug, Eq, PartialEq)]
pub struct Function<'a> {
pub name: &'a str,
pub signature: &'a str,
}
#[derive(Clone, Copy, Debug, Eq, PartialEq)]
pub struct SmartContractCall<'a> {
pub contract: Contract<'a>,
pub function: Function<'a>,
pub params: &'a [Value],
}
impl SmartContractCall<'_> {
fn to_raw(self) -> AscBox<AscEthereumSmartContractCall> {
AscEthereumSmartContractCall::new(
AscString::new(self.contract.name),
self.contract.address.to_raw(),
AscString::new(self.function.name),
AscString::new(self.function.signature),
AscArray::new(self.params.iter().map(|value| value.to_raw()).collect()),
)
}
}