feat(core): implement core MEV bot functionality with market scanning and Uniswap V3 pricing

Co-authored-by: Qwen-Coder <qwen-coder@alibabacloud.com>

vendor/github.com/crate-crypto/go-eth-kzg/internal/utils/utils.go

@@ -0,0 +1,50 @@
+package utils
+
+import (
+	"github.com/consensys/gnark-crypto/ecc/bls12-381/fr"
+)
+
+// The spec includes a method to compute the modular inverse.
+// This method is named .Inverse on `fr.Element`
+// When the element to invert is zero, this method will return zero
+// however note that this is not utilized in the specs anywhere
+// and so it is also fine to panic on zero.
+//
+// [bls_modular_inverse]: https://github.com/ethereum/consensus-specs/blob/017a8495f7671f5fff2075a9bfc9238c1a0982f8/specs/deneb/polynomial-commitments.md#bls_modular_inverse
+// [div]: https://github.com/ethereum/consensus-specs/blob/017a8495f7671f5fff2075a9bfc9238c1a0982f8/specs/deneb/polynomial-commitments.md#div
+
+// ComputePowers computes x^0 to x^n-1.
+//
+// More precisely, given x and n, returns a slice containing [x^0, ..., x^n-1]
+// In particular, for n==0, an empty slice is returned
+//
+// [compute_powers]: https://github.com/ethereum/consensus-specs/blob/017a8495f7671f5fff2075a9bfc9238c1a0982f8/specs/deneb/polynomial-commitments.md#compute_powers
+func ComputePowers(x fr.Element, n uint) []fr.Element {
+	if n == 0 {
+		return []fr.Element{}
+	}
+
+	powers := make([]fr.Element, n)
+	powers[0].SetOne()
+	for i := uint(1); i < n; i++ {
+		powers[i].Mul(&powers[i-1], &x)
+	}
+
+	return powers
+}
+
+// IsPowerOfTwo returns true if `value` is a power of two.
+//
+// `0` will return false
+//
+// [is_power_of_two]: https://github.com/ethereum/consensus-specs/blob/017a8495f7671f5fff2075a9bfc9238c1a0982f8/specs/deneb/polynomial-commitments.md#is_power_of_two
+func IsPowerOfTwo(value uint64) bool {
+	return value > 0 && (value&(value-1) == 0)
+}
+
+func ReduceCanonicalBigEndian(serScalar []byte) (fr.Element, error) {
+	var scalar fr.Element
+	err := scalar.SetBytesCanonical(serScalar)
+
+	return scalar, err
+}