SX Curve v1.0.3 Release Notes

Peripheral EOSIO smart contracts for interacting with SX Curve

Security Audit

• Sentnl Audit (2020-03)

SHA256 Checksum

Local

eosio-cpp version 1.7.0

$ git clone https://github.com/stableex/sx.curve.git
$ git checkout v1.0.3
$ eosio-cpp curve.sx.cpp -I include
$ shasum -a 256 curve.sx.wasm
a9aa7e60901cfc3ffe481099daa7f13f0b9cdba19c64ffd18aa5789932336f8c  curve.sx.wasm

EOS Mainnet

$ cleos -u https://eos.greymass.com get code curve.sx
code hash: a9aa7e60901cfc3ffe481099daa7f13f0b9cdba19c64ffd18aa5789932336f8c

Changes

• improve error handling checks
• allow deployment of smart contract account name
• code refactoring

SX Curve v1.0.2 Release Notes

Peripheral EOSIO smart contracts for interacting with SX Curve

Security Audit

• SlowMist - Smart Contract Security Audit Report - sx.curve.pdf

SHA256 Checksum

Local

eosio-cpp version 1.7.0

$ git clone https://github.com/stableex/sx.curve.git
$ git checkout v1.0.2
$ eosio-cpp curve.sx.cpp -I include
$ shasum -a 256 curve.sx.wasm
9126cde6ddd504df91922aff921f42e5a5618b6d38df5184c865dc4112ac4880  curve.sx.wasm

EOS Mainnet

$ cleos -u https://api.eosn.io get code curve.sx
code hash: 9126cde6ddd504df91922aff921f42e5a5618b6d38df5184c865dc4112ac4880

Changes

• (#2): add deposit slippage protection

SX Curve v1.0.1 Release Notes

Peripheral EOSIO smart contracts for interacting with SX Curve

SHA256 Checksum

Local

$ git checkout v1.0.1
$ eosio-cpp curve.sx.cpp -I include
$ shasum -a 256 curve.sx.wasm
abb4b445cac42c9e0a1ceac33dc7e9c36a1452eb89bdff05b907cf3936b2ff9c  curve.sx.wasm

EOS Mainnet

$ cleos -u https://api.eosn.io get code curve.sx
code hash: abb4b445cac42c9e0a1ceac33dc7e9c36a1452eb89bdff05b907cf3936b2ff9c

Fixes

• (7a9525d): mul_amount overflow check
• (5c0d3e9): use max precision 6 for curve calculations
• (19ce853): improve symbol code
• (65a6ffa): test d1 overflow issue

Changes

• setnotifiers ACTION: to allow notifying other supporting smart contracts using require_recpient.

SX Curve v1.0.0 Release Notes

Peripheral EOSIO smart contracts for interacting with SX Curve

SHA256 Checksum

Local

$ git checkout v1.0.0
$ eosio-cpp curve.sx.cpp -I include
$ shasum -a 256 curve.sx.wasm
e8960a51393f0d262e6d712af58b8f90d624a65e75096947014465ef77983338  curve.sx.wasm

EOS Mainnet

$ cleos -u https://api.eosn.io get code curve.sx
code hash: e8960a51393f0d262e6d712af58b8f90d624a65e75096947014465ef77983338

Quickstart

convert

memo schema: swap,<min_return>,<pair_ids>

$ cleos transfer myaccount curve.sx "10.0000 USDT" "swap,0,SXA" --contract tethertether
# => receive "10.0000 USN@danchortoken"

deposit

memo schema: deposit,<pair_id>

$ cleos transfer myaccount curve.sx "10.0000 USDT" "deposit,SXA" --contract tethertether
$ cleos transfer myaccount curve.sx "10.0000 USN" "deposit,SXA" --contract danchortoken
$ cleos push action curve.sx deposit '["myaccount", "SXA"]' -p myaccount
# => receive "20.0000 [email protected]"

withdraw

memo schema: N/A

$ cleos transfer myaccount curve.sx "20.0000 SXA" "" --contract lptoken.sx
# => receive "10.0000 USDT@tethertether" + "10.0000 USN@danchortoken"

C++

#include "curve.sx.hpp"

// User Inputs
const asset in = asset{10'0000, {"USDT", 4}};
const symbol_code pair_id = symbol_code{"SXA"};

// Calculated Output
const asset out = sx::curve::get_amount_out( in, pair_id );
//=> "10.0000 USN"