feat: 添加 Lighter 适配器及相关功能，支持 trailing stops 和新的交易逻辑

docs/lighter/poseidon_crypto-main/hash/poseidon_bn254/constants.go

@@ -0,0 +1,67 @@
+package poseidon_bn254
+
+import (
+	"math/big"
+
+	"github.com/consensys/gnark-crypto/ecc/bn254/fr"
+	"github.com/elliottech/poseidon_crypto/hash/poseidon_bn254/constants"
+)
+
+// Number of full rounds
+const rf = 8
+
+var alpha = big.NewInt(5)
+
+// Number of partial rounds rounded up to nearest integer that divides by t in [2, 13]
+var rp = []int{56, 57, 56, 60, 60, 63, 64, 63, 60, 66, 60, 65, 70, 60, 64, 68}
+
+// Round constants and matrices
+var (
+	c, s [][]*fr.Element
+	m, p [][][]*fr.Element
+)
+
+func toElement(value string) *fr.Element {
+	n, success := new(big.Int).SetString(value, 16)
+	if !success {
+		panic("Error parsing hex number")
+	}
+	e := fr.Element{0, 0, 0, 0}
+	e.SetBigInt(n)
+	return &e
+}
+
+func init() {
+	var size = len(rp)
+	c = make([][]*fr.Element, size)
+	s = make([][]*fr.Element, size)
+	m = make([][][]*fr.Element, size)
+	p = make([][][]*fr.Element, size)
+
+	for i := 0; i < size; i++ {
+		// initialize round constants and matrices
+		c[i] = make([]*fr.Element, len(constants.CStr[i]))
+		s[i] = make([]*fr.Element, len(constants.SStr[i]))
+		m[i] = make([][]*fr.Element, len(constants.MStr[i]))
+		p[i] = make([][]*fr.Element, len(constants.PStr[i]))
+
+		for j := 0; j < len(c[i]); j++ {
+			c[i][j] = toElement(constants.CStr[i][j])
+		}
+		for j := 0; j < len(s[i]); j++ {
+			s[i][j] = toElement(constants.SStr[i][j])
+		}
+		for j := 0; j < len(m[i]); j++ {
+			m[i][j] = make([]*fr.Element, len(constants.MStr[i][j]))
+			for k := 0; k < len(m[i][j]); k++ {
+				m[i][j][k] = toElement(constants.MStr[i][j][k])
+			}
+		}
+		for j := 0; j < len(p[i]); j++ {
+			p[i][j] = make([]*fr.Element, len(constants.PStr[i][j]))
+			for k := 0; k < len(p[i][j]); k++ {
+				p[i][j][k] = toElement(constants.PStr[i][j][k])
+			}
+		}
+	}
+}