init

9 files changed, 1050 insertions, 0 deletions

diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..ea8c4bf
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1 @@
+/target
diff --git a/Cargo.lock b/Cargo.lock
new file mode 100644
index 0000000..bebdc38
--- /dev/null
+++ b/Cargo.lock
@@ -0,0 +1,693 @@
+# This file is automatically @generated by Cargo.
+# It is not intended for manual editing.
+version = 4
+
+[[package]]
+name = "bitcoin"
+version = "0.1.0"
+dependencies = [
+ "futures",
+ "rand",
+ "serde",
+ "serde_json",
+ "tokio",
+ "tokio-serde",
+ "tokio-util",
+]
+
+[[package]]
+name = "bitflags"
+version = "2.10.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "812e12b5285cc515a9c72a5c1d3b6d46a19dac5acfef5265968c166106e31dd3"
+
+[[package]]
+name = "bytes"
+version = "1.10.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "d71b6127be86fdcfddb610f7182ac57211d4b18a3e9c82eb2d17662f2227ad6a"
+
+[[package]]
+name = "cfg-if"
+version = "1.0.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "9330f8b2ff13f34540b44e946ef35111825727b38d33286ef986142615121801"
+
+[[package]]
+name = "educe"
+version = "0.5.11"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "e4bd92664bf78c4d3dba9b7cdafce6fa15b13ed3ed16175218196942e99168a8"
+dependencies = [
+ "enum-ordinalize",
+ "proc-macro2",
+ "quote",
+ "syn",
+]
+
+[[package]]
+name = "enum-ordinalize"
+version = "4.3.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "fea0dcfa4e54eeb516fe454635a95753ddd39acda650ce703031c6973e315dd5"
+dependencies = [
+ "enum-ordinalize-derive",
+]
+
+[[package]]
+name = "enum-ordinalize-derive"
+version = "4.3.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "0d28318a75d4aead5c4db25382e8ef717932d0346600cacae6357eb5941bc5ff"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "syn",
+]
+
+[[package]]
+name = "futures"
+version = "0.3.31"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "65bc07b1a8bc7c85c5f2e110c476c7389b4554ba72af57d8445ea63a576b0876"
+dependencies = [
+ "futures-channel",
+ "futures-core",
+ "futures-executor",
+ "futures-io",
+ "futures-sink",
+ "futures-task",
+ "futures-util",
+]
+
+[[package]]
+name = "futures-channel"
+version = "0.3.31"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "2dff15bf788c671c1934e366d07e30c1814a8ef514e1af724a602e8a2fbe1b10"
+dependencies = [
+ "futures-core",
+ "futures-sink",
+]
+
+[[package]]
+name = "futures-core"
+version = "0.3.31"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "05f29059c0c2090612e8d742178b0580d2dc940c837851ad723096f87af6663e"
+
+[[package]]
+name = "futures-executor"
+version = "0.3.31"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "1e28d1d997f585e54aebc3f97d39e72338912123a67330d723fdbb564d646c9f"
+dependencies = [
+ "futures-core",
+ "futures-task",
+ "futures-util",
+]
+
+[[package]]
+name = "futures-io"
+version = "0.3.31"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "9e5c1b78ca4aae1ac06c48a526a655760685149f0d465d21f37abfe57ce075c6"
+
+[[package]]
+name = "futures-macro"
+version = "0.3.31"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "162ee34ebcb7c64a8abebc059ce0fee27c2262618d7b60ed8faf72fef13c3650"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "syn",
+]
+
+[[package]]
+name = "futures-sink"
+version = "0.3.31"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "e575fab7d1e0dcb8d0c7bcf9a63ee213816ab51902e6d244a95819acacf1d4f7"
+
+[[package]]
+name = "futures-task"
+version = "0.3.31"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "f90f7dce0722e95104fcb095585910c0977252f286e354b5e3bd38902cd99988"
+
+[[package]]
+name = "futures-util"
+version = "0.3.31"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "9fa08315bb612088cc391249efdc3bc77536f16c91f6cf495e6fbe85b20a4a81"
+dependencies = [
+ "futures-channel",
+ "futures-core",
+ "futures-io",
+ "futures-macro",
+ "futures-sink",
+ "futures-task",
+ "memchr",
+ "pin-project-lite",
+ "pin-utils",
+ "slab",
+]
+
+[[package]]
+name = "getrandom"
+version = "0.3.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "899def5c37c4fd7b2664648c28120ecec138e4d395b459e5ca34f9cce2dd77fd"
+dependencies = [
+ "cfg-if",
+ "libc",
+ "r-efi",
+ "wasip2",
+]
+
+[[package]]
+name = "itoa"
+version = "1.0.15"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "4a5f13b858c8d314ee3e8f639011f7ccefe71f97f96e50151fb991f267928e2c"
+
+[[package]]
+name = "libc"
+version = "0.2.177"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "2874a2af47a2325c2001a6e6fad9b16a53b802102b528163885171cf92b15976"
+
+[[package]]
+name = "lock_api"
+version = "0.4.14"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "224399e74b87b5f3557511d98dff8b14089b3dadafcab6bb93eab67d3aace965"
+dependencies = [
+ "scopeguard",
+]
+
+[[package]]
+name = "memchr"
+version = "2.7.6"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "f52b00d39961fc5b2736ea853c9cc86238e165017a493d1d5c8eac6bdc4cc273"
+
+[[package]]
+name = "mio"
+version = "1.0.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "78bed444cc8a2160f01cbcf811ef18cac863ad68ae8ca62092e8db51d51c761c"
+dependencies = [
+ "libc",
+ "wasi",
+ "windows-sys 0.59.0",
+]
+
+[[package]]
+name = "parking_lot"
+version = "0.12.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "93857453250e3077bd71ff98b6a65ea6621a19bb0f559a85248955ac12c45a1a"
+dependencies = [
+ "lock_api",
+ "parking_lot_core",
+]
+
+[[package]]
+name = "parking_lot_core"
+version = "0.9.12"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "2621685985a2ebf1c516881c026032ac7deafcda1a2c9b7850dc81e3dfcb64c1"
+dependencies = [
+ "cfg-if",
+ "libc",
+ "redox_syscall",
+ "smallvec",
+ "windows-link",
+]
+
+[[package]]
+name = "pin-project"
+version = "1.1.10"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "677f1add503faace112b9f1373e43e9e054bfdd22ff1a63c1bc485eaec6a6a8a"
+dependencies = [
+ "pin-project-internal",
+]
+
+[[package]]
+name = "pin-project-internal"
+version = "1.1.10"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "6e918e4ff8c4549eb882f14b3a4bc8c8bc93de829416eacf579f1207a8fbf861"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "syn",
+]
+
+[[package]]
+name = "pin-project-lite"
+version = "0.2.16"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "3b3cff922bd51709b605d9ead9aa71031d81447142d828eb4a6eba76fe619f9b"
+
+[[package]]
+name = "pin-utils"
+version = "0.1.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "8b870d8c151b6f2fb93e84a13146138f05d02ed11c7e7c54f8826aaaf7c9f184"
+
+[[package]]
+name = "ppv-lite86"
+version = "0.2.21"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "85eae3c4ed2f50dcfe72643da4befc30deadb458a9b590d720cde2f2b1e97da9"
+dependencies = [
+ "zerocopy",
+]
+
+[[package]]
+name = "proc-macro2"
+version = "1.0.101"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "89ae43fd86e4158d6db51ad8e2b80f313af9cc74f5c0e03ccb87de09998732de"
+dependencies = [
+ "unicode-ident",
+]
+
+[[package]]
+name = "quote"
+version = "1.0.41"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "ce25767e7b499d1b604768e7cde645d14cc8584231ea6b295e9c9eb22c02e1d1"
+dependencies = [
+ "proc-macro2",
+]
+
+[[package]]
+name = "r-efi"
+version = "5.3.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "69cdb34c158ceb288df11e18b4bd39de994f6657d83847bdffdbd7f346754b0f"
+
+[[package]]
+name = "rand"
+version = "0.9.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "6db2770f06117d490610c7488547d543617b21bfa07796d7a12f6f1bd53850d1"
+dependencies = [
+ "rand_chacha",
+ "rand_core",
+]
+
+[[package]]
+name = "rand_chacha"
+version = "0.9.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "d3022b5f1df60f26e1ffddd6c66e8aa15de382ae63b3a0c1bfc0e4d3e3f325cb"
+dependencies = [
+ "ppv-lite86",
+ "rand_core",
+]
+
+[[package]]
+name = "rand_core"
+version = "0.9.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "99d9a13982dcf210057a8a78572b2217b667c3beacbf3a0d8b454f6f82837d38"
+dependencies = [
+ "getrandom",
+]
+
+[[package]]
+name = "redox_syscall"
+version = "0.5.18"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "ed2bf2547551a7053d6fdfafda3f938979645c44812fbfcda098faae3f1a362d"
+dependencies = [
+ "bitflags",
+]
+
+[[package]]
+name = "ryu"
+version = "1.0.20"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "28d3b2b1366ec20994f1fd18c3c594f05c5dd4bc44d8bb0c1c632c8d6829481f"
+
+[[package]]
+name = "scopeguard"
+version = "1.2.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "94143f37725109f92c262ed2cf5e59bce7498c01bcc1502d7b9afe439a4e9f49"
+
+[[package]]
+name = "serde"
+version = "1.0.228"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "9a8e94ea7f378bd32cbbd37198a4a91436180c5bb472411e48b5ec2e2124ae9e"
+dependencies = [
+ "serde_core",
+ "serde_derive",
+]
+
+[[package]]
+name = "serde_core"
+version = "1.0.228"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "41d385c7d4ca58e59fc732af25c3983b67ac852c1a25000afe1175de458b67ad"
+dependencies = [
+ "serde_derive",
+]
+
+[[package]]
+name = "serde_derive"
+version = "1.0.228"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "d540f220d3187173da220f885ab66608367b6574e925011a9353e4badda91d79"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "syn",
+]
+
+[[package]]
+name = "serde_json"
+version = "1.0.145"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "402a6f66d8c709116cf22f558eab210f5a50187f702eb4d7e5ef38d9a7f1c79c"
+dependencies = [
+ "itoa",
+ "memchr",
+ "ryu",
+ "serde",
+ "serde_core",
+]
+
+[[package]]
+name = "signal-hook-registry"
+version = "1.4.6"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "b2a4719bff48cee6b39d12c020eeb490953ad2443b7055bd0b21fca26bd8c28b"
+dependencies = [
+ "libc",
+]
+
+[[package]]
+name = "slab"
+version = "0.4.11"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "7a2ae44ef20feb57a68b23d846850f861394c2e02dc425a50098ae8c90267589"
+
+[[package]]
+name = "smallvec"
+version = "1.15.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "67b1b7a3b5fe4f1376887184045fcf45c69e92af734b7aaddc05fb777b6fbd03"
+
+[[package]]
+name = "socket2"
+version = "0.6.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "17129e116933cf371d018bb80ae557e889637989d8638274fb25622827b03881"
+dependencies = [
+ "libc",
+ "windows-sys 0.60.2",
+]
+
+[[package]]
+name = "syn"
+version = "2.0.107"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "2a26dbd934e5451d21ef060c018dae56fc073894c5a7896f882928a76e6d081b"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "unicode-ident",
+]
+
+[[package]]
+name = "tokio"
+version = "1.48.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "ff360e02eab121e0bc37a2d3b4d4dc622e6eda3a8e5253d5435ecf5bd4c68408"
+dependencies = [
+ "bytes",
+ "libc",
+ "mio",
+ "parking_lot",
+ "pin-project-lite",
+ "signal-hook-registry",
+ "socket2",
+ "tokio-macros",
+ "windows-sys 0.61.2",
+]
+
+[[package]]
+name = "tokio-macros"
+version = "2.6.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "af407857209536a95c8e56f8231ef2c2e2aff839b22e07a1ffcbc617e9db9fa5"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "syn",
+]
+
+[[package]]
+name = "tokio-serde"
+version = "0.9.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "caf600e7036b17782571dd44fa0a5cea3c82f60db5137f774a325a76a0d6852b"
+dependencies = [
+ "bytes",
+ "educe",
+ "futures-core",
+ "futures-sink",
+ "pin-project",
+ "serde",
+ "serde_json",
+]
+
+[[package]]
+name = "tokio-util"
+version = "0.7.16"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "14307c986784f72ef81c89db7d9e28d6ac26d16213b109ea501696195e6e3ce5"
+dependencies = [
+ "bytes",
+ "futures-core",
+ "futures-sink",
+ "pin-project-lite",
+ "tokio",
+]
+
+[[package]]
+name = "unicode-ident"
+version = "1.0.19"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "f63a545481291138910575129486daeaf8ac54aee4387fe7906919f7830c7d9d"
+
+[[package]]
+name = "wasi"
+version = "0.11.1+wasi-snapshot-preview1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "ccf3ec651a847eb01de73ccad15eb7d99f80485de043efb2f370cd654f4ea44b"
+
+[[package]]
+name = "wasip2"
+version = "1.0.1+wasi-0.2.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "0562428422c63773dad2c345a1882263bbf4d65cf3f42e90921f787ef5ad58e7"
+dependencies = [
+ "wit-bindgen",
+]
+
+[[package]]
+name = "windows-link"
+version = "0.2.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "f0805222e57f7521d6a62e36fa9163bc891acd422f971defe97d64e70d0a4fe5"
+
+[[package]]
+name = "windows-sys"
+version = "0.59.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "1e38bc4d79ed67fd075bcc251a1c39b32a1776bbe92e5bef1f0bf1f8c531853b"
+dependencies = [
+ "windows-targets 0.52.6",
+]
+
+[[package]]
+name = "windows-sys"
+version = "0.60.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "f2f500e4d28234f72040990ec9d39e3a6b950f9f22d3dba18416c35882612bcb"
+dependencies = [
+ "windows-targets 0.53.5",
+]
+
+[[package]]
+name = "windows-sys"
+version = "0.61.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "ae137229bcbd6cdf0f7b80a31df61766145077ddf49416a728b02cb3921ff3fc"
+dependencies = [
+ "windows-link",
+]
+
+[[package]]
+name = "windows-targets"
+version = "0.52.6"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "9b724f72796e036ab90c1021d4780d4d3d648aca59e491e6b98e725b84e99973"
+dependencies = [
+ "windows_aarch64_gnullvm 0.52.6",
+ "windows_aarch64_msvc 0.52.6",
+ "windows_i686_gnu 0.52.6",
+ "windows_i686_gnullvm 0.52.6",
+ "windows_i686_msvc 0.52.6",
+ "windows_x86_64_gnu 0.52.6",
+ "windows_x86_64_gnullvm 0.52.6",
+ "windows_x86_64_msvc 0.52.6",
+]
+
+[[package]]
+name = "windows-targets"
+version = "0.53.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "4945f9f551b88e0d65f3db0bc25c33b8acea4d9e41163edf90dcd0b19f9069f3"
+dependencies = [
+ "windows-link",
+ "windows_aarch64_gnullvm 0.53.1",
+ "windows_aarch64_msvc 0.53.1",
+ "windows_i686_gnu 0.53.1",
+ "windows_i686_gnullvm 0.53.1",
+ "windows_i686_msvc 0.53.1",
+ "windows_x86_64_gnu 0.53.1",
+ "windows_x86_64_gnullvm 0.53.1",
+ "windows_x86_64_msvc 0.53.1",
+]
+
+[[package]]
+name = "windows_aarch64_gnullvm"
+version = "0.52.6"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "32a4622180e7a0ec044bb555404c800bc9fd9ec262ec147edd5989ccd0c02cd3"
+
+[[package]]
+name = "windows_aarch64_gnullvm"
+version = "0.53.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "a9d8416fa8b42f5c947f8482c43e7d89e73a173cead56d044f6a56104a6d1b53"
+
+[[package]]
+name = "windows_aarch64_msvc"
+version = "0.52.6"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "09ec2a7bb152e2252b53fa7803150007879548bc709c039df7627cabbd05d469"
+
+[[package]]
+name = "windows_aarch64_msvc"
+version = "0.53.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "b9d782e804c2f632e395708e99a94275910eb9100b2114651e04744e9b125006"
+
+[[package]]
+name = "windows_i686_gnu"
+version = "0.52.6"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "8e9b5ad5ab802e97eb8e295ac6720e509ee4c243f69d781394014ebfe8bbfa0b"
+
+[[package]]
+name = "windows_i686_gnu"
+version = "0.53.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "960e6da069d81e09becb0ca57a65220ddff016ff2d6af6a223cf372a506593a3"
+
+[[package]]
+name = "windows_i686_gnullvm"
+version = "0.52.6"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "0eee52d38c090b3caa76c563b86c3a4bd71ef1a819287c19d586d7334ae8ed66"
+
+[[package]]
+name = "windows_i686_gnullvm"
+version = "0.53.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "fa7359d10048f68ab8b09fa71c3daccfb0e9b559aed648a8f95469c27057180c"
+
+[[package]]
+name = "windows_i686_msvc"
+version = "0.52.6"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "240948bc05c5e7c6dabba28bf89d89ffce3e303022809e73deaefe4f6ec56c66"
+
+[[package]]
+name = "windows_i686_msvc"
+version = "0.53.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "1e7ac75179f18232fe9c285163565a57ef8d3c89254a30685b57d83a38d326c2"
+
+[[package]]
+name = "windows_x86_64_gnu"
+version = "0.52.6"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "147a5c80aabfbf0c7d901cb5895d1de30ef2907eb21fbbab29ca94c5b08b1a78"
+
+[[package]]
+name = "windows_x86_64_gnu"
+version = "0.53.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "9c3842cdd74a865a8066ab39c8a7a473c0778a3f29370b5fd6b4b9aa7df4a499"
+
+[[package]]
+name = "windows_x86_64_gnullvm"
+version = "0.52.6"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "24d5b23dc417412679681396f2b49f3de8c1473deb516bd34410872eff51ed0d"
+
+[[package]]
+name = "windows_x86_64_gnullvm"
+version = "0.53.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "0ffa179e2d07eee8ad8f57493436566c7cc30ac536a3379fdf008f47f6bb7ae1"
+
+[[package]]
+name = "windows_x86_64_msvc"
+version = "0.52.6"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "589f6da84c646204747d1270a2a5661ea66ed1cced2631d546fdfb155959f9ec"
+
+[[package]]
+name = "windows_x86_64_msvc"
+version = "0.53.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "d6bbff5f0aada427a1e5a6da5f1f98158182f26556f345ac9e04d36d0ebed650"
+
+[[package]]
+name = "wit-bindgen"
+version = "0.46.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "f17a85883d4e6d00e8a97c586de764dabcc06133f7f1d55dce5cdc070ad7fe59"
+
+[[package]]
+name = "zerocopy"
+version = "0.8.27"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "0894878a5fa3edfd6da3f88c4805f4c8558e2b996227a3d864f47fe11e38282c"
+dependencies = [
+ "zerocopy-derive",
+]
+
+[[package]]
+name = "zerocopy-derive"
+version = "0.8.27"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "88d2b8d9c68ad2b9e4340d7832716a4d21a22a1154777ad56ea55c51a9cf3831"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "syn",
+]
diff --git a/Cargo.toml b/Cargo.toml
new file mode 100644
index 0000000..7343510
--- /dev/null
+++ b/Cargo.toml
@@ -0,0 +1,13 @@
+[package]
+name = "bitcoin"
+version = "0.1.0"
+edition = "2024"
+
+[dependencies]
+tokio = { version = "1.48.0", features = ["full"] }
+serde = { version = "1.0.228", features = ["derive"] }
+serde_json = "1.0.145"
+tokio-serde = { version = "0.9.0", features = ["json"] }
+tokio-util = { version = "0.7.16", features = ["codec"] }
+futures = "0.3.31"
+rand = "0.9.2"
diff --git a/src/blocks.rs b/src/blocks.rs
new file mode 100644
index 0000000..39abde2
--- /dev/null
+++ b/src/blocks.rs
@@ -0,0 +1,88 @@
+use std::{
+    hash::{DefaultHasher, Hash, Hasher},
+    ops::Deref,
+};
+
+use serde::{Deserialize, Serialize};
+
+use crate::{ZERO_PREFIX_AMOUNT, transaction::Transaction};
+
+#[derive(Deserialize, Serialize, Clone, Copy)]
+pub struct Block {
+    pub prev_hash: u64,
+    pub trans: Transaction,
+    pub pow: Option<u64>,
+}
+
+impl Block {
+    fn new(prev_hash: Option<u64>, trans: Transaction) -> Self {
+        Self {
+            prev_hash: prev_hash.unwrap_or(0), // special blocks
+            trans,
+            pow: None,
+        }
+    }
+
+    fn calc_pow(&self) -> u64 {
+        for i in 0.. {
+            // reset every loop
+            let mut hasher = DefaultHasher::new();
+            (&self.prev_hash, &self.trans, i).hash(&mut hasher);
+            let hashed = hasher.finish();
+            if hashed
+                .to_string()
+                .starts_with(
+                    &"0".repeat(ZERO_PREFIX_AMOUNT)
+                        .to_string(),
+                )
+            {
+                return hashed;
+            }
+        }
+        unreachable!()
+    }
+
+    pub fn calc_set_pow(&mut self) {
+        self.pow = Some(self.calc_pow());
+    }
+}
+
+impl Hash for Block {
+    fn hash<H: Hasher>(&self, state: &mut H) {
+        self.prev_hash
+            .hash(state);
+        self.trans
+            .hash(state);
+        if self
+            .pow
+            .is_none()
+        {
+            Self::calc_pow(self).hash(state);
+        } else {
+            self.pow
+                .hash(state);
+        }
+    }
+}
+
+#[derive(Default, Deserialize, Serialize, Clone)]
+pub struct BlockChain {
+    blocks: Vec<Block>,
+}
+
+impl BlockChain {
+    pub fn new(blocks: Vec<Block>) -> Self {
+        Self {
+            blocks,
+        }
+    }
+
+    pub fn store(&mut self, block: Block) {}
+}
+
+impl Deref for BlockChain {
+    type Target = Vec<Block>;
+    fn deref(&self) -> &Self::Target {
+        &self.blocks
+    }
+}
diff --git a/src/client.rs b/src/client.rs
new file mode 100644
index 0000000..7919b94
--- /dev/null
+++ b/src/client.rs
@@ -0,0 +1,15 @@
+use rand::Rng;
+use serde::{Deserialize, Serialize};
+
+#[derive(Hash, Deserialize, Serialize, Clone, Copy)]
+pub struct Client {
+    id: u32,
+}
+
+impl Default for Client {
+    fn default() -> Self {
+        Self {
+            id: rand::rng().random(),
+        }
+    }
+}
diff --git a/src/lib.rs b/src/lib.rs
new file mode 100644
index 0000000..0545aa5
--- /dev/null
+++ b/src/lib.rs
@@ -0,0 +1,9 @@
+pub mod blocks;
+
+pub mod transaction;
+
+pub mod client;
+
+pub mod network;
+
+const ZERO_PREFIX_AMOUNT: usize = 5; // TODO: make this dynamic
diff --git a/src/main.rs b/src/main.rs
new file mode 100644
index 0000000..096b533
--- /dev/null
+++ b/src/main.rs
@@ -0,0 +1,16 @@
+use std::{sync::Arc, thread::sleep, time::Duration};
+
+use bitcoin::{blocks::BlockChain, network::Network};
+use tokio::sync::Mutex;
+
+#[tokio::main]
+async fn main() {
+    let bc = Arc::new(Mutex::new(BlockChain::default()));
+    let network = Network::new(bc).await;
+    network
+        .lock()
+        .await
+        .broadcast(bitcoin::network::Request::Ibd(None))
+        .await;
+    sleep(Duration::from_secs(100));
+}
diff --git a/src/network.rs b/src/network.rs
new file mode 100644
index 0000000..82190a5
--- /dev/null
+++ b/src/network.rs
@@ -0,0 +1,205 @@
+use std::{
+    net::SocketAddr,
+    sync::{Arc, Weak},
+};
+
+use serde::{Deserialize, Serialize};
+
+use futures::{SinkExt, StreamExt};
+use tokio::{
+    net::{TcpListener, TcpStream},
+    spawn,
+    sync::Mutex,
+};
+use tokio_serde::{Framed, formats::Json};
+use tokio_util::codec::Framed as TokioFramed;
+use tokio_util::codec::LengthDelimitedCodec;
+
+use crate::{
+    blocks::{Block, BlockChain},
+    client::Client,
+};
+
+#[derive(Deserialize, Serialize, Clone)]
+pub enum Request {
+    Block(Block),
+    Ibd(Option<BlockChain>),
+}
+
+pub struct Network {
+    this: Weak<Mutex<Self>>,
+    me: Client,
+    listener: TcpListener,
+    peers: Vec<Arc<Mutex<Peer>>>,
+    blockchain: Arc<Mutex<BlockChain>>,
+}
+
+impl Network {
+    pub async fn new(blockchain: Arc<Mutex<BlockChain>>) -> Arc<Mutex<Self>> {
+        let this = Arc::new(Mutex::new(Self {
+            me: Client::default(),
+            this: Weak::new(),
+            listener: TcpListener::bind("0.0.0.0:6767")
+                .await
+                .unwrap(),
+            peers: Vec::default(),
+            blockchain,
+        }));
+        this.lock()
+            .await
+            .this = Arc::downgrade(&this);
+        this
+    }
+
+    async fn try_peer(&mut self) {
+        self.peers
+            .push(Arc::new(Mutex::new(Peer::new(
+                self.this
+                    .clone(),
+                TcpStream::connect("192.168.1.100")
+                    .await
+                    .unwrap(),
+            ))))
+    }
+
+    async fn start(&self) {
+        let this = self
+            .this
+            .clone();
+        spawn(async move {
+            if let Some(parent) = this.upgrade() {
+                let mut net = parent
+                    .lock()
+                    .await;
+                net.listen()
+                    .await;
+            }
+        });
+    }
+
+    async fn listen(&mut self) -> ! {
+        loop {
+            let (stream, addr) = self
+                .listener
+                .accept()
+                .await
+                .unwrap();
+
+            let peer = Arc::new(Mutex::new(Peer::new(
+                self.this
+                    .clone(),
+                stream,
+            )));
+
+            self.peers
+                .push(Arc::clone(&peer));
+
+            spawn(async move {
+                peer.lock()
+                    .await
+                    .start()
+                    .await;
+            });
+        }
+    }
+
+    pub async fn broadcast(&mut self, data: Request) {
+        for p in &self.peers {
+            p.lock()
+                .await
+                .framed
+                .send(data.clone())
+                .await
+                .unwrap();
+        }
+    }
+}
+
+struct Peer {
+    parent: Weak<Mutex<Network>>,
+    framed: Framed<TokioFramed<TcpStream, LengthDelimitedCodec>, Request, Request, Json<Request, Request>>,
+}
+
+impl Peer {
+    fn new(parent: Weak<Mutex<Network>>, stream: TcpStream) -> Self {
+        Self {
+            parent,
+            framed: Framed::new(TokioFramed::new(stream, LengthDelimitedCodec::new()), Json::default()),
+        }
+    }
+
+    async fn start(&mut self) {
+        loop {
+            while let Some(req) = self
+                .framed
+                .next()
+                .await
+            {
+                self.handle(req.unwrap())
+                    .await;
+            }
+        }
+    }
+
+    async fn handle(&mut self, req: Request) {
+        match req {
+            Request::Block(mut block) => match block.pow {
+                Some(_) => self
+                    .parent
+                    .upgrade()
+                    .unwrap()
+                    .lock()
+                    .await
+                    .blockchain
+                    .lock()
+                    .await
+                    .store(block),
+                None => {
+                    block.calc_set_pow();
+                    let parent = self
+                        .parent
+                        .upgrade()
+                        .unwrap();
+                    let mut net = parent
+                        .lock()
+                        .await;
+                    net.broadcast(Request::Block(block))
+                        .await;
+                }
+            },
+            Request::Ibd(bc) => match bc {
+                Some(_bc) => {
+                    let parent = self
+                        .parent
+                        .upgrade()
+                        .unwrap();
+                    let net = parent
+                        .lock()
+                        .await;
+                    let mut _bc_lock = net
+                        .blockchain
+                        .lock()
+                        .await;
+                }
+                None => {
+                    let parent = self
+                        .parent
+                        .upgrade()
+                        .unwrap();
+                    let mut net = parent
+                        .lock()
+                        .await;
+                    let bc = {
+                        let guard = net
+                            .blockchain
+                            .lock()
+                            .await;
+                        guard.clone()
+                    };
+                    net.broadcast(Request::Ibd(Some(bc)))
+                        .await;
+                }
+            },
+        }
+    }
+}
diff --git a/src/transaction.rs b/src/transaction.rs
new file mode 100644
index 0000000..4baf60f
--- /dev/null
+++ b/src/transaction.rs
@@ -0,0 +1,10 @@
+use serde::{Deserialize, Serialize};
+
+use crate::client::Client;
+
+#[derive(Hash, Deserialize, Serialize, Clone, Copy)]
+pub struct Transaction {
+    from: Client,
+    to: Client,
+    amount: u32,
+}