Merge pull request #66 from str4d/block-header
Block header parsing and transaction ID computation
This commit is contained in:
str4d
GitHub
commit
d7ba310294
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@ -72,6 +72,17 @@ dependencies = [
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"constant_time_eq 0.1.3 (registry+https://github.com/rust-lang/crates.io-index)",
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]
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[[package]]
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name = "block-buffer"
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version = "0.7.0"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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dependencies = [
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"block-padding 0.1.2 (registry+https://github.com/rust-lang/crates.io-index)",
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"byte-tools 0.3.0 (registry+https://github.com/rust-lang/crates.io-index)",
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"byteorder 1.2.2 (registry+https://github.com/rust-lang/crates.io-index)",
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"generic-array 0.12.0 (registry+https://github.com/rust-lang/crates.io-index)",
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]
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[[package]]
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name = "block-cipher-trait"
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version = "0.5.3"
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@ -80,11 +91,24 @@ dependencies = [
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"generic-array 0.9.0 (registry+https://github.com/rust-lang/crates.io-index)",
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]
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[[package]]
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name = "block-padding"
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version = "0.1.2"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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dependencies = [
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"byte-tools 0.3.0 (registry+https://github.com/rust-lang/crates.io-index)",
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]
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[[package]]
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name = "byte-tools"
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version = "0.2.0"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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[[package]]
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name = "byte-tools"
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version = "0.3.0"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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[[package]]
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name = "byteorder"
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version = "1.2.2"
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@ -108,6 +132,19 @@ dependencies = [
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"generic-array 0.9.0 (registry+https://github.com/rust-lang/crates.io-index)",
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]
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[[package]]
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name = "digest"
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version = "0.8.0"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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dependencies = [
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"generic-array 0.12.0 (registry+https://github.com/rust-lang/crates.io-index)",
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]
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[[package]]
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name = "fake-simd"
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version = "0.1.2"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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[[package]]
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name = "ff"
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version = "0.4.0"
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@ -182,6 +219,14 @@ dependencies = [
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"typenum 1.10.0 (registry+https://github.com/rust-lang/crates.io-index)",
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]
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[[package]]
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name = "generic-array"
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version = "0.12.0"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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dependencies = [
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"typenum 1.10.0 (registry+https://github.com/rust-lang/crates.io-index)",
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]
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[[package]]
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name = "group"
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version = "0.1.0"
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@ -190,6 +235,11 @@ dependencies = [
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"rand 0.4.2 (registry+https://github.com/rust-lang/crates.io-index)",
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]
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[[package]]
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name = "hex"
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version = "0.3.2"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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[[package]]
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name = "hex-literal"
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version = "0.1.1"
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@ -275,6 +325,11 @@ name = "opaque-debug"
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version = "0.1.1"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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[[package]]
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name = "opaque-debug"
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version = "0.2.2"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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[[package]]
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name = "pairing"
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version = "0.14.2"
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@ -371,6 +426,17 @@ dependencies = [
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"rust-crypto 0.2.36 (registry+https://github.com/rust-lang/crates.io-index)",
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]
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[[package]]
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name = "sha2"
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version = "0.8.0"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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dependencies = [
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"block-buffer 0.7.0 (registry+https://github.com/rust-lang/crates.io-index)",
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"digest 0.8.0 (registry+https://github.com/rust-lang/crates.io-index)",
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"fake-simd 0.1.2 (registry+https://github.com/rust-lang/crates.io-index)",
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"opaque-debug 0.2.2 (registry+https://github.com/rust-lang/crates.io-index)",
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]
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[[package]]
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name = "stream-cipher"
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version = "0.1.1"
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@ -435,10 +501,12 @@ dependencies = [
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"blake2-rfc 0.2.18 (git+https://github.com/gtank/blake2-rfc?rev=7a5b5fc99ae483a0043db7547fb79a6fa44b88a9)",
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"byteorder 1.2.2 (registry+https://github.com/rust-lang/crates.io-index)",
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"ff 0.4.0",
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"hex 0.3.2 (registry+https://github.com/rust-lang/crates.io-index)",
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"lazy_static 1.0.0 (registry+https://github.com/rust-lang/crates.io-index)",
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"pairing 0.14.2",
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"rand 0.4.2 (registry+https://github.com/rust-lang/crates.io-index)",
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"sapling-crypto 0.0.1",
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"sha2 0.8.0 (registry+https://github.com/rust-lang/crates.io-index)",
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]
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[[package]]
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@ -480,19 +548,26 @@ dependencies = [
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"checksum bit-vec 0.4.4 (registry+https://github.com/rust-lang/crates.io-index)" = "02b4ff8b16e6076c3e14220b39fbc1fabb6737522281a388998046859400895f"
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"checksum bitflags 1.0.1 (registry+https://github.com/rust-lang/crates.io-index)" = "b3c30d3802dfb7281680d6285f2ccdaa8c2d8fee41f93805dba5c4cf50dc23cf"
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"checksum blake2-rfc 0.2.18 (git+https://github.com/gtank/blake2-rfc?rev=7a5b5fc99ae483a0043db7547fb79a6fa44b88a9)" = "<none>"
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"checksum block-buffer 0.7.0 (registry+https://github.com/rust-lang/crates.io-index)" = "49665c62e0e700857531fa5d3763e91b539ff1abeebd56808d378b495870d60d"
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"checksum block-cipher-trait 0.5.3 (registry+https://github.com/rust-lang/crates.io-index)" = "370424437b9459f3dfd68428ed9376ddfe03d8b70ede29cc533b3557df186ab4"
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"checksum block-padding 0.1.2 (registry+https://github.com/rust-lang/crates.io-index)" = "4fc4358306e344bf9775d0197fd00d2603e5afb0771bb353538630f022068ea3"
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"checksum byte-tools 0.2.0 (registry+https://github.com/rust-lang/crates.io-index)" = "560c32574a12a89ecd91f5e742165893f86e3ab98d21f8ea548658eb9eef5f40"
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"checksum byte-tools 0.3.0 (registry+https://github.com/rust-lang/crates.io-index)" = "980479e6fde23246dfb54d47580d66b4e99202e7579c5eaa9fe10ecb5ebd2182"
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"checksum byteorder 1.2.2 (registry+https://github.com/rust-lang/crates.io-index)" = "73b5bdfe7ee3ad0b99c9801d58807a9dbc9e09196365b0203853b99889ab3c87"
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"checksum constant_time_eq 0.1.3 (registry+https://github.com/rust-lang/crates.io-index)" = "8ff012e225ce166d4422e0e78419d901719760f62ae2b7969ca6b564d1b54a9e"
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"checksum crossbeam 0.3.2 (registry+https://github.com/rust-lang/crates.io-index)" = "24ce9782d4d5c53674646a6a4c1863a21a8fc0cb649b3c94dfc16e45071dea19"
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"checksum digest 0.7.2 (registry+https://github.com/rust-lang/crates.io-index)" = "00a49051fef47a72c9623101b19bd71924a45cca838826caae3eaa4d00772603"
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"checksum digest 0.8.0 (registry+https://github.com/rust-lang/crates.io-index)" = "05f47366984d3ad862010e22c7ce81a7dbcaebbdfb37241a620f8b6596ee135c"
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"checksum fake-simd 0.1.2 (registry+https://github.com/rust-lang/crates.io-index)" = "e88a8acf291dafb59c2d96e8f59828f3838bb1a70398823ade51a84de6a6deed"
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"checksum fpe 0.1.0 (registry+https://github.com/rust-lang/crates.io-index)" = "ce3371c82bfbd984f624cab093f55e7336f5a6e589f8518e1258f54f011b89ad"
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"checksum fuchsia-zircon 0.3.3 (registry+https://github.com/rust-lang/crates.io-index)" = "2e9763c69ebaae630ba35f74888db465e49e259ba1bc0eda7d06f4a067615d82"
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"checksum fuchsia-zircon-sys 0.3.3 (registry+https://github.com/rust-lang/crates.io-index)" = "3dcaa9ae7725d12cdb85b3ad99a434db70b468c09ded17e012d86b5c1010f7a7"
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"checksum futures 0.1.21 (registry+https://github.com/rust-lang/crates.io-index)" = "1a70b146671de62ec8c8ed572219ca5d594d9b06c0b364d5e67b722fc559b48c"
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"checksum futures-cpupool 0.1.8 (registry+https://github.com/rust-lang/crates.io-index)" = "ab90cde24b3319636588d0c35fe03b1333857621051837ed769faefb4c2162e4"
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"checksum gcc 0.3.54 (registry+https://github.com/rust-lang/crates.io-index)" = "5e33ec290da0d127825013597dbdfc28bee4964690c7ce1166cbc2a7bd08b1bb"
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"checksum generic-array 0.12.0 (registry+https://github.com/rust-lang/crates.io-index)" = "3c0f28c2f5bfb5960175af447a2da7c18900693738343dc896ffbcabd9839592"
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"checksum generic-array 0.9.0 (registry+https://github.com/rust-lang/crates.io-index)" = "ef25c5683767570c2bbd7deba372926a55eaae9982d7726ee2a1050239d45b9d"
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"checksum hex 0.3.2 (registry+https://github.com/rust-lang/crates.io-index)" = "805026a5d0141ffc30abb3be3173848ad46a1b1664fe632428479619a3644d77"
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"checksum hex-literal 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)" = "4da5f0e01bd8a71a224a4eedecaacfcabda388dbb7a80faf04d3514287572d95"
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"checksum hex-literal-impl 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)" = "1d340b6514f232f6db1bd16db65302a5278a04fef9ce867cb932e7e5fa21130a"
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"checksum lazy_static 1.0.0 (registry+https://github.com/rust-lang/crates.io-index)" = "c8f31047daa365f19be14b47c29df4f7c3b581832407daabe6ae77397619237d"
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@ -503,6 +578,7 @@ dependencies = [
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"checksum num-traits 0.2.5 (registry+https://github.com/rust-lang/crates.io-index)" = "630de1ef5cc79d0cdd78b7e33b81f083cbfe90de0f4b2b2f07f905867c70e9fe"
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"checksum num_cpus 1.8.0 (registry+https://github.com/rust-lang/crates.io-index)" = "c51a3322e4bca9d212ad9a158a02abc6934d005490c054a2778df73a70aa0a30"
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"checksum opaque-debug 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)" = "d620c9c26834b34f039489ac0dfdb12c7ac15ccaf818350a64c9b5334a452ad7"
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"checksum opaque-debug 0.2.2 (registry+https://github.com/rust-lang/crates.io-index)" = "93f5bb2e8e8dec81642920ccff6b61f1eb94fa3020c5a325c9851ff604152409"
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"checksum proc-macro-hack 0.4.0 (registry+https://github.com/rust-lang/crates.io-index)" = "3ba8d4f9257b85eb6cdf13f055cea3190520aab1409ca2ab43493ea4820c25f0"
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"checksum proc-macro-hack-impl 0.4.0 (registry+https://github.com/rust-lang/crates.io-index)" = "d5cb6f960ad471404618e9817c0e5d10b1ae74cfdf01fab89ea0641fe7fb2892"
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"checksum proc-macro2 0.4.14 (registry+https://github.com/rust-lang/crates.io-index)" = "b331c6ad3411474cd55540398dc7ad89fc41488e64ec71fdecc9c9b86de96fb0"
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@ -512,6 +588,7 @@ dependencies = [
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"checksum redox_syscall 0.1.40 (registry+https://github.com/rust-lang/crates.io-index)" = "c214e91d3ecf43e9a4e41e578973adeb14b474f2bee858742d127af75a0112b1"
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"checksum rust-crypto 0.2.36 (registry+https://github.com/rust-lang/crates.io-index)" = "f76d05d3993fd5f4af9434e8e436db163a12a9d40e1a58a726f27a01dfd12a2a"
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"checksum rustc-serialize 0.3.24 (registry+https://github.com/rust-lang/crates.io-index)" = "dcf128d1287d2ea9d80910b5f1120d0b8eede3fbf1abe91c40d39ea7d51e6fda"
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"checksum sha2 0.8.0 (registry+https://github.com/rust-lang/crates.io-index)" = "7b4d8bfd0e469f417657573d8451fb33d16cfe0989359b93baf3a1ffc639543d"
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"checksum stream-cipher 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)" = "30dc6118470d69ce0fdcf7e6f95e95853f7f4f72f80d835d4519577c323814ab"
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"checksum syn 0.14.9 (registry+https://github.com/rust-lang/crates.io-index)" = "261ae9ecaa397c42b960649561949d69311f08eeaea86a65696e6e46517cf741"
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"checksum time 0.1.40 (registry+https://github.com/rust-lang/crates.io-index)" = "d825be0eb33fda1a7e68012d51e9c7f451dc1a69391e7fdc197060bb8c56667b"
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@ -8,10 +8,12 @@ authors = [
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[dependencies]
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byteorder = "1"
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ff = { path = "../ff" }
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hex = "0.3"
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lazy_static = "1"
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pairing = { path = "../pairing" }
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rand = "0.4"
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sapling-crypto = { path = "../sapling-crypto" }
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sha2 = "0.8"
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[dependencies.blake2-rfc]
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git = "https://github.com/gtank/blake2-rfc"
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@ -0,0 +1,209 @@
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use byteorder::{LittleEndian, ReadBytesExt, WriteBytesExt};
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use hex;
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use std::fmt;
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use std::io::{self, Read, Write};
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use std::ops::Deref;
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use serialize::Vector;
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#[derive(Clone, Copy, Debug, PartialEq, Eq, Hash)]
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pub struct BlockHash(pub [u8; 32]);
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impl fmt::Display for BlockHash {
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fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result {
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let mut data = self.0.clone();
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data.reverse();
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formatter.write_str(&hex::encode(data))
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}
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}
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/// A Zcash block header.
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pub struct BlockHeader(BlockHeaderData);
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impl Deref for BlockHeader {
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type Target = BlockHeaderData;
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fn deref(&self) -> &BlockHeaderData {
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&self.0
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}
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}
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pub struct BlockHeaderData {
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pub version: i32,
|
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pub prev_block: BlockHash,
|
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pub merkle_root: [u8; 32],
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pub final_sapling_root: [u8; 32],
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pub time: u32,
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pub bits: u32,
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pub nonce: [u8; 32],
|
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pub solution: Vec<u8>,
|
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}
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impl BlockHeaderData {
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pub fn freeze(self) -> BlockHeader {
|
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BlockHeader(self)
|
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}
|
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}
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impl BlockHeader {
|
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pub fn read<R: Read>(mut reader: R) -> io::Result<Self> {
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let version = reader.read_i32::<LittleEndian>()?;
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let mut prev_block = BlockHash([0; 32]);
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reader.read_exact(&mut prev_block.0)?;
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let mut merkle_root = [0; 32];
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reader.read_exact(&mut merkle_root)?;
|
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|
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let mut final_sapling_root = [0; 32];
|
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reader.read_exact(&mut final_sapling_root)?;
|
||||
|
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let time = reader.read_u32::<LittleEndian>()?;
|
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let bits = reader.read_u32::<LittleEndian>()?;
|
||||
|
||||
let mut nonce = [0; 32];
|
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reader.read_exact(&mut nonce)?;
|
||||
|
||||
let solution = Vector::read(&mut reader, |r| r.read_u8())?;
|
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|
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Ok(BlockHeader(BlockHeaderData {
|
||||
version,
|
||||
prev_block,
|
||||
merkle_root,
|
||||
final_sapling_root,
|
||||
time,
|
||||
bits,
|
||||
nonce,
|
||||
solution,
|
||||
}))
|
||||
}
|
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|
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pub fn write<W: Write>(&self, mut writer: W) -> io::Result<()> {
|
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writer.write_i32::<LittleEndian>(self.version)?;
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writer.write_all(&self.prev_block.0)?;
|
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writer.write_all(&self.merkle_root)?;
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writer.write_all(&self.final_sapling_root)?;
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writer.write_u32::<LittleEndian>(self.time)?;
|
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writer.write_u32::<LittleEndian>(self.bits)?;
|
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writer.write_all(&self.nonce)?;
|
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Vector::write(&mut writer, &self.solution, |w, b| w.write_u8(*b))?;
|
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|
||||
Ok(())
|
||||
}
|
||||
}
|
||||
|
||||
#[cfg(test)]
|
||||
mod tests {
|
||||
use super::BlockHeader;
|
||||
|
||||
const HEADER_MAINNET_415000: [u8; 1487] = [
|
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0x04, 0x00, 0x00, 0x00, 0x52, 0x74, 0xb4, 0x3b, 0x9e, 0x4a, 0xd8, 0xf4, 0x3e, 0x93, 0xf7,
|
||||
0x84, 0x63, 0xd2, 0x4d, 0xcf, 0xe5, 0x31, 0xae, 0xb4, 0x71, 0x98, 0x19, 0xf4, 0xf9, 0x7f,
|
||||
0x7e, 0x03, 0x00, 0x00, 0x00, 0x00, 0x66, 0x30, 0x73, 0xbc, 0x4b, 0xfa, 0x95, 0xc9, 0xbe,
|
||||
0xc3, 0x6a, 0xad, 0x72, 0x68, 0xa5, 0x73, 0x04, 0x97, 0x97, 0xbd, 0xfc, 0x5a, 0xa4, 0xc7,
|
||||
0x43, 0xfb, 0xe4, 0x82, 0x0a, 0xa3, 0x93, 0xce, 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, 0x00, 0xa8, 0xbe, 0xcc, 0x5b, 0xe1,
|
||||
0xab, 0x03, 0x1c, 0xc2, 0xfd, 0x60, 0x7c, 0x77, 0x6a, 0x7a, 0x00, 0x00, 0x00, 0x00, 0x00,
|
||||
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
|
||||
0x00, 0x3e, 0xb2, 0x18, 0x19, 0xfd, 0x40, 0x05, 0x00, 0x94, 0x9d, 0x55, 0xde, 0x0c, 0xc6,
|
||||
0x33, 0xe0, 0xcc, 0xe4, 0x1e, 0x46, 0x49, 0xef, 0x4a, 0xa3, 0x34, 0x9f, 0x01, 0x00, 0x29,
|
||||
0x0f, 0xfe, 0x28, 0x1b, 0x94, 0x7b, 0x3b, 0x53, 0xfb, 0xd2, 0xf3, 0x5b, 0x1c, 0xe2, 0x92,
|
||||
0x64, 0x9b, 0x96, 0xac, 0x6e, 0x08, 0x83, 0xaf, 0x3a, 0x68, 0x44, 0xb9, 0x55, 0x92, 0xe7,
|
||||
0x45, 0x56, 0xda, 0x34, 0x4b, 0x47, 0x01, 0x96, 0x1c, 0xd4, 0x13, 0x0c, 0x68, 0x21, 0x9c,
|
||||
0xfa, 0x13, 0x41, 0xd5, 0xaf, 0xb5, 0x04, 0x9e, 0xb0, 0xe8, 0xbe, 0x4a, 0x2d, 0x92, 0xd6,
|
||||
0x78, 0xc4, 0x07, 0x85, 0xe3, 0x37, 0x05, 0x54, 0x8b, 0x5f, 0x3a, 0x54, 0xf0, 0xa4, 0xc3,
|
||||
0x9a, 0x2f, 0x58, 0xee, 0x78, 0x4a, 0x24, 0x16, 0x3c, 0xd8, 0x6f, 0x54, 0x81, 0x23, 0x27,
|
||||
0xdf, 0x55, 0xe1, 0xd5, 0x5c, 0xa8, 0x4b, 0x6e, 0x7b, 0x88, 0x7a, 0x7c, 0xbf, 0xb9, 0x09,
|
||||
0x1a, 0x58, 0x5b, 0xdb, 0x8e, 0xa4, 0x75, 0x93, 0x07, 0xc5, 0x6c, 0x1b, 0x3d, 0xaf, 0xc6,
|
||||
0x69, 0x24, 0x5a, 0x6f, 0x65, 0x4b, 0x6f, 0x73, 0x00, 0x52, 0x26, 0x6a, 0x01, 0xad, 0x4f,
|
||||
0x9c, 0x0b, 0x59, 0xed, 0x4e, 0x17, 0x71, 0x2b, 0x3e, 0x72, 0xdf, 0x04, 0x98, 0xaa, 0x8d,
|
||||
0xe4, 0x88, 0x8f, 0x99, 0x35, 0x31, 0xc6, 0x0a, 0xcd, 0xed, 0x1d, 0x4b, 0x66, 0xe8, 0x9d,
|
||||
0xe0, 0xb6, 0x48, 0x2c, 0xcc, 0xd4, 0xa7, 0x12, 0xf5, 0xcf, 0x9d, 0x4c, 0xa8, 0x3b, 0xe0,
|
||||
0xf9, 0x22, 0xde, 0x2c, 0x1d, 0xbb, 0x3a, 0x14, 0x07, 0x48, 0x0d, 0xbe, 0x87, 0x95, 0x99,
|
||||
0x3d, 0x8b, 0xe6, 0x40, 0x98, 0x8a, 0xbf, 0xe7, 0xa8, 0xa1, 0xb3, 0x3a, 0x12, 0x13, 0x1c,
|
||||
0x45, 0x1e, 0x1a, 0xbc, 0x0d, 0x83, 0xfb, 0x85, 0x18, 0x62, 0xc6, 0x37, 0xce, 0x72, 0x4d,
|
||||
0x5f, 0xe9, 0x7a, 0xa9, 0xa8, 0x06, 0xcf, 0x34, 0xba, 0xb5, 0x09, 0xf4, 0x55, 0x4b, 0x0c,
|
||||
0xd1, 0x0a, 0x7d, 0xdf, 0xd5, 0x82, 0x1b, 0x09, 0x1a, 0xd2, 0xc9, 0x0c, 0x1a, 0xa1, 0xd8,
|
||||
0x1e, 0xb3, 0xd7, 0x2d, 0xb4, 0x19, 0x93, 0xb6, 0x48, 0xf4, 0x1e, 0x21, 0x38, 0xff, 0x95,
|
||||
0x31, 0xa3, 0x0f, 0xf7, 0x3b, 0x22, 0x14, 0x0e, 0x4e, 0xbd, 0x7b, 0xaa, 0x33, 0x84, 0x8e,
|
||||
0x51, 0x2d, 0x99, 0x30, 0x0c, 0x5c, 0x13, 0x1c, 0x6e, 0x75, 0xf5, 0x71, 0x4a, 0x5c, 0x6d,
|
||||
0xcb, 0x17, 0x8b, 0x4a, 0x49, 0x78, 0xda, 0xc8, 0x3a, 0xd4, 0x12, 0xfb, 0xd6, 0x92, 0x01,
|
||||
0x92, 0x50, 0xc5, 0x53, 0x04, 0x9a, 0xad, 0x45, 0x79, 0x84, 0xbe, 0xdf, 0xc9, 0x6a, 0xe7,
|
||||
0x01, 0xc6, 0x59, 0xbc, 0x70, 0x07, 0xa9, 0x7d, 0x0a, 0x90, 0x02, 0xb9, 0x45, 0xbd, 0xec,
|
||||
0x45, 0xa9, 0x45, 0xef, 0x62, 0x85, 0xb2, 0xcd, 0x55, 0x3b, 0x4c, 0x09, 0xd9, 0x07, 0xc6,
|
||||
0x27, 0x86, 0x3f, 0x03, 0x99, 0xe8, 0x72, 0x5b, 0x4f, 0xf7, 0xfc, 0x59, 0x79, 0xe3, 0xcf,
|
||||
0xf2, 0x28, 0x14, 0x50, 0x84, 0x48, 0xef, 0x8b, 0x98, 0x31, 0xc2, 0x85, 0x95, 0x93, 0x33,
|
||||
0x39, 0x6a, 0xa3, 0x62, 0xa5, 0x1c, 0xf2, 0x05, 0x09, 0x7a, 0xfa, 0xbe, 0xc1, 0x5e, 0x41,
|
||||
0xfb, 0x6e, 0x30, 0xb6, 0x22, 0x37, 0x4b, 0xf5, 0x8b, 0x37, 0xef, 0x9d, 0x1b, 0x24, 0x1e,
|
||||
0xad, 0x5a, 0x68, 0x2b, 0x98, 0xb6, 0x57, 0x49, 0xa5, 0x75, 0x68, 0xe2, 0x38, 0xd5, 0x0a,
|
||||
0xfd, 0x41, 0x7e, 0x1e, 0x96, 0x0e, 0x7b, 0x5a, 0x06, 0x4f, 0xd9, 0xf6, 0x94, 0xd7, 0x83,
|
||||
0xa2, 0xcb, 0xcd, 0x58, 0x55, 0x2d, 0xed, 0xbb, 0x9e, 0x5e, 0x11, 0x23, 0x67, 0x4e, 0xf7,
|
||||
0x3a, 0x52, 0x41, 0x96, 0xcf, 0x05, 0xd3, 0xe5, 0x24, 0x66, 0x05, 0x49, 0xff, 0xe7, 0xbd,
|
||||
0x65, 0x68, 0x05, 0x71, 0x35, 0xff, 0xd5, 0xaf, 0xd9, 0x43, 0xf6, 0xda, 0x11, 0xcb, 0xb5,
|
||||
0x97, 0xe8, 0xcc, 0xec, 0xd7, 0x7e, 0xcb, 0xe9, 0x09, 0xde, 0x06, 0x31, 0xbf, 0xa2, 0x9c,
|
||||
0xd3, 0xe3, 0xd5, 0x54, 0x46, 0x71, 0xba, 0x80, 0x25, 0x61, 0x53, 0xd6, 0xe9, 0x99, 0x0b,
|
||||
0x88, 0xad, 0x8e, 0x0c, 0xf4, 0x98, 0x9b, 0xef, 0x4b, 0xe4, 0x57, 0xf9, 0xc7, 0xb0, 0xf1,
|
||||
0xaa, 0xcd, 0x6e, 0x0e, 0xf3, 0x20, 0x60, 0x5c, 0x29, 0xed, 0x0c, 0xd2, 0xeb, 0x6c, 0xfc,
|
||||
0xe2, 0x16, 0xc5, 0x2a, 0x31, 0x75, 0x80, 0x20, 0x1c, 0xad, 0x7a, 0x09, 0x43, 0xd2, 0x4b,
|
||||
0x7b, 0x06, 0xd5, 0xbf, 0x75, 0x87, 0x61, 0xdd, 0x96, 0xe1, 0x19, 0x70, 0xb5, 0xde, 0xd6,
|
||||
0x97, 0x22, 0x2b, 0x2c, 0x77, 0xe7, 0xf2, 0x56, 0xa6, 0x05, 0xac, 0x75, 0x55, 0x49, 0xc1,
|
||||
0x65, 0x1f, 0x25, 0xad, 0xfc, 0x9d, 0x53, 0xd9, 0x11, 0x7e, 0x3a, 0x0b, 0xb4, 0x09, 0xee,
|
||||
0xe4, 0xa6, 0x00, 0x12, 0x04, 0x72, 0x94, 0x9c, 0x7d, 0xda, 0x1c, 0x2e, 0xdb, 0x3c, 0x33,
|
||||
0x0c, 0x7f, 0x96, 0x17, 0x99, 0x82, 0x91, 0x64, 0x57, 0xd3, 0x31, 0xe9, 0x63, 0x09, 0xdd,
|
||||
0x24, 0xdf, 0x74, 0xee, 0xdd, 0x00, 0xe7, 0xdb, 0x49, 0x7e, 0xe1, 0x30, 0xf7, 0x7d, 0xe6,
|
||||
0x66, 0xeb, 0x55, 0x7f, 0xb3, 0x16, 0xe8, 0x7a, 0xda, 0xf1, 0x81, 0x3c, 0xe4, 0x26, 0xa4,
|
||||
0x58, 0xa6, 0xee, 0xe3, 0xa8, 0x5b, 0x2a, 0xb8, 0x8f, 0x65, 0x53, 0xaa, 0xda, 0xe8, 0xde,
|
||||
0x65, 0x2e, 0x21, 0x1a, 0x1d, 0x9f, 0x33, 0x4d, 0x59, 0x6b, 0x5e, 0xb6, 0x17, 0x34, 0x07,
|
||||
0xef, 0xcc, 0x2e, 0x81, 0x54, 0xbb, 0x9c, 0xa1, 0x21, 0x2a, 0xa9, 0xa1, 0xa1, 0x12, 0x1d,
|
||||
0x2f, 0x5a, 0x77, 0x12, 0xcf, 0x25, 0xcc, 0x81, 0x48, 0xb8, 0x05, 0x2e, 0x0d, 0x2e, 0x09,
|
||||
0xf2, 0x0e, 0x5b, 0xa2, 0xa9, 0x82, 0x77, 0xe9, 0x75, 0xb0, 0xee, 0xd9, 0xa8, 0x92, 0x06,
|
||||
0x96, 0x63, 0x37, 0x16, 0x3f, 0x21, 0x5c, 0x9d, 0x04, 0xa6, 0x59, 0x8b, 0x09, 0x58, 0xd3,
|
||||
0x33, 0xd8, 0x46, 0x77, 0x3c, 0x69, 0xe5, 0xab, 0xfd, 0x0a, 0x04, 0x27, 0xf3, 0x66, 0x06,
|
||||
0x14, 0xdd, 0x82, 0xb7, 0x9a, 0xdb, 0x85, 0x1a, 0x0d, 0x58, 0xb6, 0x2d, 0xf5, 0xf0, 0xb3,
|
||||
0xac, 0x83, 0x6e, 0x6e, 0x25, 0xf3, 0xa5, 0x1f, 0x49, 0xa9, 0x9a, 0xde, 0x57, 0x79, 0x6f,
|
||||
0xe9, 0xfc, 0xc2, 0x6f, 0x0a, 0x1f, 0x94, 0xff, 0x08, 0x19, 0xfe, 0x52, 0xb7, 0x50, 0x87,
|
||||
0xed, 0xbe, 0xd3, 0xa8, 0x16, 0x26, 0xeb, 0x54, 0x16, 0xc6, 0x65, 0x57, 0xf1, 0x1c, 0x0f,
|
||||
0xce, 0xdf, 0xf2, 0x23, 0xd6, 0xaa, 0x8c, 0xd5, 0xc3, 0x53, 0x86, 0xe5, 0xb4, 0xb9, 0x5a,
|
||||
0x0f, 0x03, 0x92, 0xca, 0x30, 0x1a, 0x38, 0xb3, 0x68, 0x7d, 0x09, 0x44, 0x93, 0xb9, 0xe9,
|
||||
0xd2, 0x64, 0xd0, 0x7a, 0x19, 0x0c, 0xe5, 0x7d, 0x11, 0x68, 0x04, 0x38, 0x2a, 0x3f, 0xab,
|
||||
0xe1, 0x5a, 0xf4, 0xdf, 0x4f, 0xa0, 0x43, 0xf0, 0x28, 0x7a, 0xa1, 0xed, 0x55, 0x68, 0xd9,
|
||||
0xef, 0x5d, 0x12, 0x51, 0x0d, 0x01, 0x0c, 0xcd, 0xab, 0x4e, 0xb6, 0x16, 0xf6, 0xdf, 0x13,
|
||||
0xbb, 0x31, 0x26, 0xef, 0x43, 0xd9, 0xd6, 0x57, 0x35, 0xe4, 0xe4, 0xc0, 0x4b, 0x57, 0x63,
|
||||
0x48, 0xd0, 0x40, 0xb5, 0x35, 0x05, 0x5a, 0x3d, 0x5a, 0xe1, 0x91, 0xb7, 0x5f, 0x06, 0x12,
|
||||
0xf3, 0xb2, 0x40, 0x66, 0xa0, 0x52, 0x45, 0xf2, 0x7f, 0xe5, 0x7b, 0xda, 0x66, 0xbd, 0x6d,
|
||||
0xec, 0x7e, 0x4f, 0xc9, 0xcb, 0x23, 0x68, 0x02, 0x06, 0x2a, 0xdd, 0xe3, 0xcd, 0x0e, 0x31,
|
||||
0x34, 0x82, 0xc9, 0x2a, 0x0c, 0x72, 0x11, 0x02, 0xb1, 0xf3, 0x8b, 0x01, 0x5a, 0xb8, 0xd0,
|
||||
0x15, 0x59, 0xcb, 0xcb, 0x40, 0xf6, 0x74, 0xe9, 0xef, 0xad, 0x5e, 0xe9, 0xc2, 0xfe, 0x13,
|
||||
0x3f, 0xaa, 0x55, 0xca, 0x1d, 0xd0, 0xff, 0x26, 0x71, 0x0f, 0x9d, 0xa8, 0x19, 0xcc, 0x14,
|
||||
0x59, 0xcb, 0x7e, 0xd2, 0x60, 0xda, 0xd3, 0xdb, 0x05, 0x96, 0x25, 0x8d, 0x47, 0xc7, 0x4c,
|
||||
0x32, 0xa8, 0xb8, 0x52, 0xb6, 0x71, 0xc5, 0xa0, 0xca, 0xa2, 0x00, 0x16, 0x03, 0xd9, 0x0c,
|
||||
0x91, 0xa7, 0xdf, 0x2e, 0x2d, 0x4e, 0xe9, 0xae, 0x9b, 0xf1, 0xa6, 0xb1, 0xec, 0x88, 0x15,
|
||||
0x1c, 0x62, 0x36, 0x0d, 0x03, 0x02, 0x4d, 0x2e, 0x2d, 0x01, 0x14, 0x08, 0x4f, 0x6b, 0x88,
|
||||
0xc5, 0xbb, 0xa2, 0x4a, 0xa7, 0xce, 0xcf, 0xac, 0x16, 0xe9, 0x1e, 0x0b, 0xaf, 0x3d, 0x86,
|
||||
0x53, 0xe2, 0x18, 0x09, 0x3e, 0x81, 0xd2, 0xa6, 0x3c, 0x32, 0xef, 0xf1, 0xd9, 0x03, 0x0f,
|
||||
0x9e, 0x14, 0x14, 0xec, 0xe4, 0x20, 0xda, 0xa2, 0x4e, 0x0d, 0xd5, 0xb8, 0x45, 0xb3, 0x27,
|
||||
0x4b, 0xb8, 0x39, 0xca, 0x1c, 0x53, 0xbc, 0xc0, 0x19, 0x42, 0x42, 0xd7, 0x4b, 0x26, 0x31,
|
||||
0xb9, 0x49, 0x5a, 0x65, 0x4f, 0xbb, 0xdc, 0xbf, 0xad, 0x77, 0x9f, 0x73, 0x22, 0xb6, 0x07,
|
||||
0x36, 0x24, 0x98, 0x80, 0x60, 0x48, 0x21, 0xd9, 0x69, 0x24, 0xe3, 0xfa, 0x39, 0x7f, 0x35,
|
||||
0x4a, 0x5e, 0xcc, 0xa3, 0x4f, 0x61, 0x4d, 0xa5, 0x45, 0x6f, 0x9b, 0x36, 0x33, 0x8c, 0x37,
|
||||
0xd8, 0xf6, 0xfb, 0xf6, 0x26, 0xbe, 0x98, 0x34, 0x77, 0x76, 0x60, 0x22, 0x87, 0x27, 0x46,
|
||||
0xda, 0x10, 0xa1, 0x77, 0x1c, 0xeb, 0x02, 0xdd, 0x8a, 0xac, 0x01, 0xba, 0x18, 0x6b, 0xf1,
|
||||
0x48, 0x86, 0x30, 0x47, 0x9e, 0x12, 0x84, 0xda, 0x01, 0x90, 0xfc, 0xe8, 0xb5, 0x9a, 0xc6,
|
||||
0xb0, 0xfd, 0x41, 0x6b, 0xee, 0x56, 0xb7, 0x2f, 0x0a, 0x58, 0x45, 0x15, 0x35, 0x57, 0xff,
|
||||
0x0f, 0x49, 0x50, 0xa0, 0xdc, 0x5b, 0xe6, 0x5c, 0xe9, 0x42, 0xd2, 0x2e, 0x18, 0x53, 0x4c,
|
||||
0x4e, 0x0e, 0xfa, 0xbb, 0x2d, 0x15, 0x25, 0xdc, 0x48, 0x58, 0xb9, 0xb0, 0xf7, 0x7d, 0x47,
|
||||
0x4a, 0x12, 0x5e, 0xbc, 0x25, 0x0e, 0x08, 0xfe, 0xdb, 0xfa, 0xa6, 0x6f, 0x45, 0x3d, 0x90,
|
||||
0x93, 0x2c, 0xab, 0x3f, 0xf4, 0x52, 0x21, 0x90, 0x99, 0x68, 0xe5, 0x1e, 0x6b, 0xc2, 0x54,
|
||||
0xd5, 0x09, 0xad, 0xeb, 0x75, 0xcb, 0xa7, 0x6d, 0x48, 0xfe, 0x02, 0x4e, 0x3e, 0x66, 0xd8,
|
||||
0xdf, 0x5e,
|
||||
];
|
||||
|
||||
#[test]
|
||||
fn header_read_write() {
|
||||
let header = BlockHeader::read(&HEADER_MAINNET_415000[..]).unwrap();
|
||||
let mut encoded = Vec::with_capacity(HEADER_MAINNET_415000.len());
|
||||
header.write(&mut encoded).unwrap();
|
||||
assert_eq!(&HEADER_MAINNET_415000[..], &encoded[..]);
|
||||
}
|
||||
}
|
||||
|
|
@ -4,12 +4,15 @@ extern crate lazy_static;
|
|||
extern crate blake2_rfc;
|
||||
extern crate byteorder;
|
||||
extern crate ff;
|
||||
extern crate hex;
|
||||
extern crate pairing;
|
||||
extern crate rand;
|
||||
extern crate sapling_crypto;
|
||||
extern crate sha2;
|
||||
|
||||
use sapling_crypto::jubjub::JubjubBls12;
|
||||
|
||||
pub mod block;
|
||||
pub mod sapling;
|
||||
mod serialize;
|
||||
pub mod transaction;
|
||||
|
|
|
|||
|
|
@ -218,7 +218,7 @@ impl SpendDescription {
|
|||
return Err(io::Error::new(
|
||||
io::ErrorKind::InvalidInput,
|
||||
"Missing spend auth signature",
|
||||
))
|
||||
));
|
||||
}
|
||||
}
|
||||
}
|
||||
|
|
|
|||
|
|
@ -1,5 +1,8 @@
|
|||
use byteorder::{LittleEndian, ReadBytesExt, WriteBytesExt};
|
||||
use hex;
|
||||
use sapling_crypto::redjubjub::Signature;
|
||||
use sha2::{Digest, Sha256};
|
||||
use std::fmt;
|
||||
use std::io::{self, Read, Write};
|
||||
use std::ops::Deref;
|
||||
|
||||
|
|
@ -20,15 +23,29 @@ const OVERWINTER_TX_VERSION: u32 = 3;
|
|||
const SAPLING_VERSION_GROUP_ID: u32 = 0x892F2085;
|
||||
const SAPLING_TX_VERSION: u32 = 4;
|
||||
|
||||
#[derive(Clone, Copy, Debug, PartialEq, Eq, Hash)]
|
||||
pub struct TxId(pub [u8; 32]);
|
||||
|
||||
impl fmt::Display for TxId {
|
||||
fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result {
|
||||
let mut data = self.0.clone();
|
||||
data.reverse();
|
||||
formatter.write_str(&hex::encode(data))
|
||||
}
|
||||
}
|
||||
|
||||
/// A Zcash transaction.
|
||||
#[derive(Debug)]
|
||||
pub struct Transaction(TransactionData);
|
||||
pub struct Transaction {
|
||||
txid: TxId,
|
||||
data: TransactionData,
|
||||
}
|
||||
|
||||
impl Deref for Transaction {
|
||||
type Target = TransactionData;
|
||||
|
||||
fn deref(&self) -> &TransactionData {
|
||||
&self.0
|
||||
&self.data
|
||||
}
|
||||
}
|
||||
|
||||
|
|
@ -112,12 +129,29 @@ impl TransactionData {
|
|||
header
|
||||
}
|
||||
|
||||
pub fn freeze(self) -> Transaction {
|
||||
Transaction(self)
|
||||
pub fn freeze(self) -> io::Result<Transaction> {
|
||||
Transaction::from_data(self)
|
||||
}
|
||||
}
|
||||
|
||||
impl Transaction {
|
||||
fn from_data(data: TransactionData) -> io::Result<Self> {
|
||||
let mut tx = Transaction {
|
||||
txid: TxId([0; 32]),
|
||||
data,
|
||||
};
|
||||
let mut raw = vec![];
|
||||
tx.write(&mut raw)?;
|
||||
tx.txid
|
||||
.0
|
||||
.copy_from_slice(&Sha256::digest(&Sha256::digest(&raw)));
|
||||
Ok(tx)
|
||||
}
|
||||
|
||||
pub fn txid(&self) -> TxId {
|
||||
self.txid
|
||||
}
|
||||
|
||||
pub fn read<R: Read>(mut reader: R) -> io::Result<Self> {
|
||||
let header = reader.read_u32::<LittleEndian>()?;
|
||||
let overwintered = (header >> 31) == 1;
|
||||
|
|
@ -182,7 +216,7 @@ impl Transaction {
|
|||
false => None,
|
||||
};
|
||||
|
||||
Ok(Transaction(TransactionData {
|
||||
Transaction::from_data(TransactionData {
|
||||
overwintered,
|
||||
version,
|
||||
version_group_id,
|
||||
|
|
@ -197,7 +231,7 @@ impl Transaction {
|
|||
joinsplit_pubkey,
|
||||
joinsplit_sig,
|
||||
binding_sig,
|
||||
}))
|
||||
})
|
||||
}
|
||||
|
||||
pub fn write<W: Write>(&self, mut writer: W) -> io::Result<()> {
|
||||
|
|
@ -241,7 +275,7 @@ impl Transaction {
|
|||
return Err(io::Error::new(
|
||||
io::ErrorKind::InvalidInput,
|
||||
"Missing JoinSplit pubkey",
|
||||
))
|
||||
));
|
||||
}
|
||||
}
|
||||
match self.joinsplit_sig {
|
||||
|
|
@ -250,7 +284,7 @@ impl Transaction {
|
|||
return Err(io::Error::new(
|
||||
io::ErrorKind::InvalidInput,
|
||||
"Missing JoinSplit signature",
|
||||
))
|
||||
));
|
||||
}
|
||||
}
|
||||
}
|
||||
|
|
@ -278,7 +312,7 @@ impl Transaction {
|
|||
return Err(io::Error::new(
|
||||
io::ErrorKind::InvalidInput,
|
||||
"Missing binding signature",
|
||||
))
|
||||
));
|
||||
}
|
||||
}
|
||||
} else if self.binding_sig.is_some() {
|
||||
|
|
|
|||
|
|
@ -150,6 +150,10 @@ fn tx_read_write() {
|
|||
0x9b, 0x27, 0xdb, 0x5f, 0x95, 0xfd, 0x09, 0xa3, 0x6b, 0x05,
|
||||
];
|
||||
let tx = Transaction::read(&data[..]).unwrap();
|
||||
assert_eq!(
|
||||
format!("{}", tx.txid()),
|
||||
"64f0bd7fe30ce23753358fe3a2dc835b8fba9c0274c4e2c54a6f73114cb55639"
|
||||
);
|
||||
|
||||
let mut encoded = Vec::with_capacity(data.len());
|
||||
tx.write(&mut encoded).unwrap();
|
||||
|
|
@ -159,51 +163,33 @@ fn tx_read_write() {
|
|||
#[test]
|
||||
fn tx_write_rejects_unexpected_joinsplit_pubkey() {
|
||||
// Succeeds without a JoinSplit pubkey
|
||||
{
|
||||
let tx = TransactionData::new().freeze();
|
||||
let mut encoded = Vec::new();
|
||||
assert!(tx.write(&mut encoded).is_ok());
|
||||
}
|
||||
assert!(TransactionData::new().freeze().is_ok());
|
||||
|
||||
// Fails with an unexpected JoinSplit pubkey
|
||||
{
|
||||
let mut tx = TransactionData::new();
|
||||
tx.joinsplit_pubkey = Some([0; 32]);
|
||||
let tx = tx.freeze();
|
||||
|
||||
let mut encoded = Vec::new();
|
||||
assert!(tx.write(&mut encoded).is_err());
|
||||
assert!(tx.freeze().is_err());
|
||||
}
|
||||
}
|
||||
|
||||
#[test]
|
||||
fn tx_write_rejects_unexpected_joinsplit_sig() {
|
||||
// Succeeds without a JoinSplit signature
|
||||
{
|
||||
let tx = TransactionData::new().freeze();
|
||||
let mut encoded = Vec::new();
|
||||
assert!(tx.write(&mut encoded).is_ok());
|
||||
}
|
||||
assert!(TransactionData::new().freeze().is_ok());
|
||||
|
||||
// Fails with an unexpected JoinSplit signature
|
||||
{
|
||||
let mut tx = TransactionData::new();
|
||||
tx.joinsplit_sig = Some([0; 64]);
|
||||
let tx = tx.freeze();
|
||||
|
||||
let mut encoded = Vec::new();
|
||||
assert!(tx.write(&mut encoded).is_err());
|
||||
assert!(tx.freeze().is_err());
|
||||
}
|
||||
}
|
||||
|
||||
#[test]
|
||||
fn tx_write_rejects_unexpected_binding_sig() {
|
||||
// Succeeds without a binding signature
|
||||
{
|
||||
let tx = TransactionData::new().freeze();
|
||||
let mut encoded = Vec::new();
|
||||
assert!(tx.write(&mut encoded).is_ok());
|
||||
}
|
||||
assert!(TransactionData::new().freeze().is_ok());
|
||||
|
||||
// Fails with an unexpected binding signature
|
||||
{
|
||||
|
|
@ -218,10 +204,7 @@ fn tx_write_rejects_unexpected_binding_sig() {
|
|||
|
||||
let mut tx = TransactionData::new();
|
||||
tx.binding_sig = Some(sig);
|
||||
let tx = tx.freeze();
|
||||
|
||||
let mut encoded = Vec::new();
|
||||
assert!(tx.write(&mut encoded).is_err());
|
||||
assert!(tx.freeze().is_err());
|
||||
}
|
||||
}
|
||||
|
||||
|
|
|
|||
|
|
@ -184,7 +184,7 @@ impl<E: JubjubEngine> FullViewingKey<E> {
|
|||
return Err(io::Error::new(
|
||||
io::ErrorKind::InvalidData,
|
||||
"ak not of prime order",
|
||||
))
|
||||
));
|
||||
}
|
||||
};
|
||||
|
||||
|
|
@ -195,7 +195,7 @@ impl<E: JubjubEngine> FullViewingKey<E> {
|
|||
return Err(io::Error::new(
|
||||
io::ErrorKind::InvalidData,
|
||||
"nk not of prime order",
|
||||
))
|
||||
));
|
||||
}
|
||||
};
|
||||
|
||||
|
|
|
|||
Loading…
Reference in New Issue