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use crate::encoding::address_string_to_ergo_tree;
use crate::error::{HeadlessDappError, Result};
use crate::{ErgoAddressString, NanoErg};
use ergo_lib::ergotree_ir::chain::digest32::Digest32;
use ergo_lib::ergotree_ir::chain::ergo_box::ErgoBox;
use ergo_lib::ergotree_ir::ergo_tree::ErgoTree;
use ergo_lib::ergotree_ir::mir::constant::Constant;
use ergo_lib::ergotree_ir::types::stype::SType;
use ergo_lib_wasm::box_coll::ErgoBoxes;
use ergo_lib_wasm::ergo_box::ErgoBox as WErgoBox;
use serde_json::from_str;
use std::ops::Range;
use wasm_bindgen::prelude::*;
#[wasm_bindgen]
#[derive(Clone)]
pub struct TokenSpec {
value_range: Range<u64>,
token_id: String,
}
impl TokenSpec {
pub fn new(value_range: Range<u64>, token_id: &str) -> TokenSpec {
TokenSpec {
value_range: value_range,
token_id: token_id.to_string(),
}
}
}
#[wasm_bindgen]
#[derive(Clone)]
pub struct RegisterSpec {
value: Option<Constant>,
value_type: Option<SType>,
}
impl RegisterSpec {
pub fn new(value_type: Option<SType>, value: Option<Constant>) -> RegisterSpec {
RegisterSpec {
value: value,
value_type: value_type,
}
}
}
#[wasm_bindgen]
#[derive(Clone)]
pub struct BoxSpec {
address: Option<ErgoAddressString>,
value_range: Option<Range<NanoErg>>,
registers: Vec<RegisterSpec>,
tokens: Vec<Option<TokenSpec>>,
predicate: Option<fn(&ErgoBox) -> bool>,
}
#[wasm_bindgen]
impl BoxSpec {
#[wasm_bindgen]
pub fn utxo_scan_json(&self) -> String {
todo!()
}
#[wasm_bindgen]
pub fn modified_address(&self, address: Option<ErgoAddressString>) -> BoxSpec {
BoxSpec {
address: address,
..self.clone()
}
}
#[wasm_bindgen]
pub fn w_verify_box(&self, wrapped_ergo_box: WErgoBox) -> bool {
let b: ErgoBox = wrapped_ergo_box.into();
if let Ok(_) = self.verify_box(&b) {
return true;
}
false
}
#[wasm_bindgen]
pub fn w_explorer_endpoint(
&self,
explorer_api_url: &str,
) -> std::result::Result<String, JsValue> {
Ok(self
.explorer_endpoint(explorer_api_url)
.map_err(|e| JsValue::from_str(&format! {"{:?}", e}))?)
}
#[wasm_bindgen]
pub fn w_process_explorer_response(
&self,
explorer_response_body: &str,
) -> std::result::Result<ErgoBoxes, JsValue> {
let boxes = self
.process_explorer_response(explorer_response_body)
.map_err(|e| JsValue::from_str(&format! {"{:?}", e}))?;
Ok(ErgoBoxes::from(boxes))
}
}
impl BoxSpec {
pub fn new(
address: Option<ErgoAddressString>,
value_range: Option<Range<NanoErg>>,
registers: Vec<RegisterSpec>,
tokens: Vec<Option<TokenSpec>>,
) -> BoxSpec {
BoxSpec::new_predicated(address, value_range, registers, tokens, None)
}
pub fn new_predicated(
address: Option<ErgoAddressString>,
value_range: Option<Range<NanoErg>>,
registers: Vec<RegisterSpec>,
tokens: Vec<Option<TokenSpec>>,
predicate: Option<fn(&ErgoBox) -> bool>,
) -> BoxSpec {
return BoxSpec {
address: address,
value_range: value_range,
registers: registers,
tokens: tokens,
predicate: predicate,
};
}
pub fn ergo_tree(&self) -> Result<ErgoTree> {
if let Some(address) = self.address.clone() {
return address_string_to_ergo_tree(&address)
.map_err(|_| HeadlessDappError::InvalidSpecAddress);
}
Err(HeadlessDappError::InvalidSpecAddress)
}
pub fn verify_box(&self, ergo_box: &ErgoBox) -> Result<()> {
let ergo_box_regs = ergo_box.additional_registers.get_ordered_values();
if let Ok(tree) = self.ergo_tree() {
match tree == ergo_box.ergo_tree {
true => Ok(()),
false => Err(HeadlessDappError::InvalidAddress(
self.address.clone().unwrap_or_default(),
)),
}?;
}
if let Some(value_range) = self.value_range.clone() {
match value_range.contains(&ergo_box.value.as_u64()) {
true => Ok(()),
false => Err(HeadlessDappError::InvalidSpecErgsValue),
}?;
}
if self.registers.len() > 0 {
if self.registers.len() > ergo_box_regs.len() {
return Err(HeadlessDappError::FailedRegisterSpec);
}
for i in 0..(self.registers.len()) {
let rspec = self.registers[i].clone();
if let Some(reg_type) = rspec.value_type {
match reg_type == ergo_box_regs[i].tpe {
true => (),
false => return Err(HeadlessDappError::FailedRegisterSpec),
}
}
if let Some(constant) = rspec.value {
match constant == ergo_box_regs[i] {
true => (),
false => return Err(HeadlessDappError::FailedRegisterSpec),
}
}
}
}
if self.tokens.len() > 0 {
if ergo_box.tokens.len() < self.tokens.len() {
return Err(HeadlessDappError::FailedTokenSpec);
}
for i in 0..(self.tokens.len()) {
if let Some(spec) = self.tokens[i].clone() {
let tok = ergo_box.tokens[i].clone();
let token_id_digest32: Digest32 = tok.token_id.into();
let tok_id: String = token_id_digest32.into();
let id_check = tok_id == spec.token_id;
let range_check = spec.value_range.contains(&tok.amount.into());
if !id_check || !range_check {
return Err(HeadlessDappError::FailedTokenSpec);
}
}
}
}
if let Some(predicate) = self.predicate {
if !(predicate)(&ergo_box) {
return Err(HeadlessDappError::FailedSpecPredicate);
}
}
Ok(())
}
pub fn explorer_endpoint(&self, explorer_api_url: &str) -> Result<String> {
if self.address.is_none() && self.tokens.len() == 0 {
return Err(HeadlessDappError::Other("Your `BoxStruct` must either have an address or tokens defined in order to generate an endpoint url for the explorer API.".to_string()));
}
let has_token_value_one = self.tokens.iter().find(|ot| {
if let Some(t) = ot {
if t.value_range.clone().last() == Some(1) {
return true;
}
}
return false;
});
if let Some(ot) = has_token_value_one {
return Ok(explorer_api_url.to_string()
+ "/v1/boxes/unspent/byTokenId/"
+ &ot.clone().unwrap().token_id
+ "?limit=100");
}
if let Some(address) = self.address.clone() {
return Ok(explorer_api_url.to_string()
+ "/v1/boxes/unspent/byAddress/"
+ &address
+ "?limit=500");
}
else {
return Ok(explorer_api_url.to_string()
+ "/v1/boxes/unspent/byTokenId/"
+ &self.tokens[0].clone().unwrap().token_id
+ "?limit=100");
}
}
pub fn process_explorer_response(&self, explorer_response_body: &str) -> Result<Vec<ErgoBox>> {
let json_res = json::parse(explorer_response_body).map_err(|_| {
HeadlessDappError::Other(
"Failed to extract json from Ergo Explorer Backend API Response".to_string(),
)
});
let json = json_res?;
let mut box_list: Vec<ErgoBox> = vec![];
for i in 0.. {
let box_json = &json["items"][i];
if box_json.is_null() {
break;
} else {
let res_ergo_box = from_str(&box_json.to_string());
if let Ok(ergo_box) = res_ergo_box {
box_list.push(ergo_box);
} else if let Err(e) = res_ergo_box {
let mess = format!("Box Json: {}\nError: {:?}", box_json.to_string(), e);
return Err(HeadlessDappError::Other(mess));
}
}
}
let filtered_boxes = box_list.into_iter().fold(vec![], |mut acc, b| {
if self.verify_box(&b).is_ok() {
acc.push(b.clone());
}
return acc;
});
Ok(filtered_boxes.clone())
}
}
impl BoxSpec {
pub fn modified_value_range(&self, value_range: Option<Range<u64>>) -> BoxSpec {
BoxSpec {
value_range: value_range,
..self.clone()
}
}
pub fn modified_registers(&self, registers: Vec<RegisterSpec>) -> BoxSpec {
BoxSpec {
registers: registers,
..self.clone()
}
}
pub fn modified_tokens(&self, tokens: Vec<Option<TokenSpec>>) -> BoxSpec {
BoxSpec {
tokens: tokens,
..self.clone()
}
}
pub fn modified_predicate(&self, predicate: Option<fn(&ErgoBox) -> bool>) -> BoxSpec {
BoxSpec {
predicate: predicate,
..self.clone()
}
}
}
#[cfg(test)]
mod tests {
use super::*;
use crate::box_traits::SpecifiedBox;
use crate::specified_boxes::ErgUsdOraclePoolBox;
#[test]
fn create_ergo_box_spec() {
let address = Some(
"88dhgzEuTXaTHv7qHnCK2mYG32GyBrYDyKKku7HdU3kHwhYRnB3ngdP5gF7K4mzZEbk2CBVhaeXh97R8"
.to_string(),
);
let value_range = Some(1..1000000000000);
let registers = vec![];
let tokens = vec![];
let box_spec_res = BoxSpec::new(address, value_range, registers, tokens);
assert!(box_spec_res.tokens.is_empty())
}
#[test]
fn produce_explorer_url_using_address() {
let address =
Some("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"
.to_string());
let value_range = Some(1..1000000000000);
let registers = vec![];
let tokens = vec![];
let box_spec = BoxSpec::new(address, value_range, registers, tokens);
let url = box_spec
.explorer_endpoint("https://api.ergoplatform.com/api")
.unwrap();
assert!(url == "https://api.ergoplatform.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?limit=500".to_string())
}
#[test]
fn produce_explorer_url_using_token() {
let box_spec = ErgUsdOraclePoolBox::box_spec();
let url = box_spec
.explorer_endpoint("https://api.ergoplatform.com/api")
.unwrap();
println!("Url: {}", url);
assert!(url == "https://api.ergoplatform.com/api/v1/boxes/unspent/byTokenId/0fb1eca4646950743bc5a8c341c16871a0ad9b4077e3b276bf93855d51a042d1?limit=100".to_string())
}
}