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diff --git a/eth_abi/Cargo.toml b/eth_abi/Cargo.toml
new file mode 100644
index 00000000..188e0220
--- /dev/null
+++ b/eth_abi/Cargo.toml
@@ -0,0 +1,33 @@
+[package]
+name = "soroban-eth-abi"
+version = "0.1.0"
+authors = ["Stellar Development Foundation <info@stellar.org>"]
+license = "Apache-2.0"
+edition = "2021"
+publish = false
+rust-version = "1.74"
+
+[lib]
+crate-type = ["cdylib"]
+doctest = false
+
+[dependencies]
+soroban-sdk = {version = "20.3.2", features = ["alloc"]}
+alloy-sol-types = {version="0.6.3"}
+
+[dev-dependencies]
+soroban-sdk = {version = "20.3.2", features = ["testutils"]}
+
+[profile.release]
+opt-level = "z"
+overflow-checks = true
+debug = 0
+strip = "symbols"
+debug-assertions = false
+panic = "abort"
+codegen-units = 1
+lto = true
+
+[profile.release-with-logs]
+inherits = "release"
+debug-assertions = true
diff --git a/eth_abi/Makefile b/eth_abi/Makefile
new file mode 100644
index 00000000..71ad4a6c
--- /dev/null
+++ b/eth_abi/Makefile
@@ -0,0 +1,16 @@
+default: build
+
+all: test
+
+test: build
+	cargo test
+
+build:
+	soroban contract build
+	@ls -l target/wasm32-unknown-unknown/release/*.wasm
+
+fmt:
+	cargo fmt --all
+
+clean:
+	cargo clean
diff --git a/eth_abi/src/lib.rs b/eth_abi/src/lib.rs
new file mode 100644
index 00000000..7cc6748c
--- /dev/null
+++ b/eth_abi/src/lib.rs
@@ -0,0 +1,46 @@
+#![no_std]
+extern crate alloc;
+use alloy_sol_types::{sol, SolValue};
+use soroban_sdk::{contract, contracterror, contractimpl, Bytes, Env};
+
+#[cfg(test)]
+mod test;
+
+#[contracterror]
+#[repr(u32)]
+#[derive(Clone, Copy, Eq, PartialEq)]
+pub enum Error {
+    Decode = 1,
+}
+
+#[contract]
+pub struct Contract;
+
+sol! {
+    struct Input {
+        bytes32 a;
+        uint256 b;
+        uint256 c;
+    }
+    struct Output {
+        bytes32 a;
+        uint256 r;
+    }
+}
+
+#[contractimpl]
+impl Contract {
+    pub fn exec(e: &Env, input: Bytes) -> Result<Bytes, Error> {
+        let mut input_buf = [0u8; 128];
+        let mut input_slice = &mut input_buf[..input.len() as usize];
+        input.copy_into_slice(&mut input_slice);
+
+        let input = Input::abi_decode(&input_slice, false).map_err(|_| Error::Decode)?;
+        let output = Output {
+            a: input.a,
+            r: input.b + input.c,
+        };
+        let output_encoded = output.abi_encode();
+        Ok(Bytes::from_slice(e, &output_encoded))
+    }
+}
diff --git a/eth_abi/src/test.rs b/eth_abi/src/test.rs
new file mode 100644
index 00000000..d3b4ce2e
--- /dev/null
+++ b/eth_abi/src/test.rs
@@ -0,0 +1,33 @@
+use crate::{Contract, ContractClient};
+use soroban_sdk::{Bytes, Env};
+
+#[test]
+fn test_exec() {
+    let e = Env::default();
+    let contract_id = e.register_contract(None, Contract);
+    let client = ContractClient::new(&e, &contract_id);
+    let input = Bytes::from_slice(
+        &e,
+        &[
+            0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01,
+            0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01,
+            0x01, 0x01, 0x01, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+            0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+            0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+            0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+            0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x02,
+        ],
+    );
+    let output = client.exec(&input);
+    let expected_output = Bytes::from_slice(
+        &e,
+        &[
+            0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01,
+            0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01,
+            0x01, 0x01, 0x01, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+            0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+            0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x03,
+        ],
+    );
+    assert_eq!(output, expected_output);
+}
diff --git a/eth_abi/test_snapshots/test/test_exec.1.json b/eth_abi/test_snapshots/test/test_exec.1.json
new file mode 100644
index 00000000..8713de25
--- /dev/null
+++ b/eth_abi/test_snapshots/test/test_exec.1.json
@@ -0,0 +1,125 @@
+{
+  "generators": {
+    "address": 1,
+    "nonce": 0
+  },
+  "auth": [
+    []
+  ],
+  "ledger": {
+    "protocol_version": 20,
+    "sequence_number": 0,
+    "timestamp": 0,
+    "network_id": "0000000000000000000000000000000000000000000000000000000000000000",
+    "base_reserve": 0,
+    "min_persistent_entry_ttl": 4096,
+    "min_temp_entry_ttl": 16,
+    "max_entry_ttl": 6312000,
+    "ledger_entries": [
+      [
+        {
+          "contract_data": {
+            "contract": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAD2KM",
+            "key": "ledger_key_contract_instance",
+            "durability": "persistent"
+          }
+        },
+        [
+          {
+            "last_modified_ledger_seq": 0,
+            "data": {
+              "contract_data": {
+                "ext": "v0",
+                "contract": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAD2KM",
+                "key": "ledger_key_contract_instance",
+                "durability": "persistent",
+                "val": {
+                  "contract_instance": {
+                    "executable": {
+                      "wasm": "e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855"
+                    },
+                    "storage": null
+                  }
+                }
+              }
+            },
+            "ext": "v0"
+          },
+          4095
+        ]
+      ],
+      [
+        {
+          "contract_code": {
+            "hash": "e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855"
+          }
+        },
+        [
+          {
+            "last_modified_ledger_seq": 0,
+            "data": {
+              "contract_code": {
+                "ext": "v0",
+                "hash": "e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855",
+                "code": ""
+              }
+            },
+            "ext": "v0"
+          },
+          4095
+        ]
+      ]
+    ]
+  },
+  "events": [
+    {
+      "event": {
+        "ext": "v0",
+        "contract_id": null,
+        "type_": "diagnostic",
+        "body": {
+          "v0": {
+            "topics": [
+              {
+                "symbol": "fn_call"
+              },
+              {
+                "bytes": "0000000000000000000000000000000000000000000000000000000000000001"
+              },
+              {
+                "symbol": "exec"
+              }
+            ],
+            "data": {
+              "bytes": "010101010101010101010101010101010101010101010101010101010101010100000000000000000000000000000000000000000000000000000000000000010000000000000000000000000000000000000000000000000000000000000002"
+            }
+          }
+        }
+      },
+      "failed_call": false
+    },
+    {
+      "event": {
+        "ext": "v0",
+        "contract_id": "0000000000000000000000000000000000000000000000000000000000000001",
+        "type_": "diagnostic",
+        "body": {
+          "v0": {
+            "topics": [
+              {
+                "symbol": "fn_return"
+              },
+              {
+                "symbol": "exec"
+              }
+            ],
+            "data": {
+              "bytes": "01010101010101010101010101010101010101010101010101010101010101010000000000000000000000000000000000000000000000000000000000000003"
+            }
+          }
+        }
+      },
+      "failed_call": false
+    }
+  ]
+}
\ No newline at end of file