From 7a2099c8d81ba292ef9cb7f2a8c498dba41b4c39 Mon Sep 17 00:00:00 2001
From: evgeniy-scherbina <evgeniy.shcherbina.es@gmail.com>
Date: Wed, 3 Jan 2024 10:06:14 -0500
Subject: [PATCH] Temporary Setup with docker

---
 Dockerfile.dev       | 17 +++++++++++++++++
 build-docker.sh      |  6 ++++++
 core/vm/contracts.go | 14 ++++++++++++++
 curl.sh              |  4 ++++
 4 files changed, 41 insertions(+)
 create mode 100644 Dockerfile.dev
 create mode 100755 build-docker.sh
 create mode 100755 curl.sh

diff --git a/Dockerfile.dev b/Dockerfile.dev
new file mode 100644
index 0000000000..e9e7435e3a
--- /dev/null
+++ b/Dockerfile.dev
@@ -0,0 +1,17 @@
+FROM golang:1.20-alpine
+
+# Set up dependencies
+# bash, jq, curl for debugging
+# git, make for installation
+# libc-dev, gcc, linux-headers, eudev-dev are used for cgo and ledger installation
+# RUN apk add bash git make libc-dev gcc linux-headers eudev-dev jq curl
+RUN apk add make curl bash
+
+RUN mkdir -p $GOPATH/src/github.com/Kava-Labs/go-ethereum
+WORKDIR $GOPATH/src/github.com/Kava-Labs/go-ethereum
+
+COPY . .
+RUN make geth
+RUN cp ./build/bin/geth /go/bin/
+
+CMD ["geth","--dev","--http"]
diff --git a/build-docker.sh b/build-docker.sh
new file mode 100755
index 0000000000..8be0389f61
--- /dev/null
+++ b/build-docker.sh
@@ -0,0 +1,6 @@
+#!/bin/bash
+
+docker build -t go-ethereum-dev -f Dockerfile.dev .
+
+# RUN
+# docker run -it go-ethereum-dev sh
\ No newline at end of file
diff --git a/core/vm/contracts.go b/core/vm/contracts.go
index 574bb9bef6..da3308d8bc 100644
--- a/core/vm/contracts.go
+++ b/core/vm/contracts.go
@@ -105,6 +105,7 @@ var PrecompiledContractsCancun = map[common.Address]PrecompiledContract{
 	common.BytesToAddress([]byte{8}):    &bn256PairingIstanbul{},
 	common.BytesToAddress([]byte{9}):    &blake2F{},
 	common.BytesToAddress([]byte{0x0a}): &kzgPointEvaluation{},
+	//common.BytesToAddress([]byte{0x0b}): &sum3{},
 }
 
 // PrecompiledContractsBLS contains the set of pre-compiled Ethereum
@@ -231,6 +232,19 @@ func (c *sha256hash) Run(input []byte) ([]byte, error) {
 	return h[:], nil
 }
 
+type sum3 struct{}
+
+// RequiredGas returns the gas required to execute the pre-compiled contract.
+//
+// This method does not require any overflow checking as the input size gas costs
+// required for anything significant is so high it's impossible to pay for.
+func (c *sum3) RequiredGas(input []byte) uint64 {
+	return 1
+}
+func (c *sum3) Run(input []byte) ([]byte, error) {
+	return input, nil
+}
+
 // RIPEMD160 implemented as a native contract.
 type ripemd160hash struct{}
 
diff --git a/curl.sh b/curl.sh
new file mode 100755
index 0000000000..9943b8b342
--- /dev/null
+++ b/curl.sh
@@ -0,0 +1,4 @@
+curl -X POST \
+  --data '{"jsonrpc":"2.0","method":"eth_blockNumber","params":[],"id":83}' \
+  -H "Content-Type: application/json" \
+  http://localhost:8545