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-rw-r--r--src/Makefile.am4
-rw-r--r--src/coins.h3
-rw-r--r--src/compressor.cpp (renamed from src/script/compressor.cpp)55
-rw-r--r--src/compressor.h (renamed from src/script/compressor.h)36
-rw-r--r--src/core.cpp54
-rw-r--r--src/core.h30
-rw-r--r--src/test/compress_tests.cpp2
-rw-r--r--src/undo.h2
8 files changed, 93 insertions, 93 deletions
diff --git a/src/Makefile.am b/src/Makefile.am
index 6d0e1ed7b8..0385ad9025 100644
--- a/src/Makefile.am
+++ b/src/Makefile.am
@@ -80,6 +80,7 @@ BITCOIN_CORE_H = \
coincontrol.h \
coins.h \
compat.h \
+ compressor.h \
core.h \
core/transaction.h \
core_io.h \
@@ -103,7 +104,6 @@ BITCOIN_CORE_H = \
rpcclient.h \
rpcprotocol.h \
rpcserver.h \
- script/compressor.h \
script/interpreter.h \
script/script.h \
script/sigcache.h \
@@ -214,6 +214,7 @@ libbitcoin_common_a_SOURCES = \
base58.cpp \
chainparams.cpp \
coins.cpp \
+ compressor.cpp \
core.cpp \
core/transaction.cpp \
core_read.cpp \
@@ -223,7 +224,6 @@ libbitcoin_common_a_SOURCES = \
keystore.cpp \
netbase.cpp \
protocol.cpp \
- script/compressor.cpp \
script/interpreter.cpp \
script/script.cpp \
script/sigcache.cpp \
diff --git a/src/coins.h b/src/coins.h
index 295b3d70d1..ee9051562b 100644
--- a/src/coins.h
+++ b/src/coins.h
@@ -6,8 +6,7 @@
#ifndef BITCOIN_COINS_H
#define BITCOIN_COINS_H
-#include "core.h" // Only for CTxOutCompressor
-#include "core/transaction.h"
+#include "compressor.h"
#include "serialize.h"
#include "uint256.h"
#include "undo.h"
diff --git a/src/script/compressor.cpp b/src/compressor.cpp
index af1acf48db..806175dd3e 100644
--- a/src/script/compressor.cpp
+++ b/src/compressor.cpp
@@ -5,6 +5,7 @@
#include "compressor.h"
+#include "hash.h"
#include "key.h"
#include "script/standard.h"
@@ -128,3 +129,57 @@ bool CScriptCompressor::Decompress(unsigned int nSize, const std::vector<unsigne
}
return false;
}
+
+// Amount compression:
+// * If the amount is 0, output 0
+// * first, divide the amount (in base units) by the largest power of 10 possible; call the exponent e (e is max 9)
+// * if e<9, the last digit of the resulting number cannot be 0; store it as d, and drop it (divide by 10)
+// * call the result n
+// * output 1 + 10*(9*n + d - 1) + e
+// * if e==9, we only know the resulting number is not zero, so output 1 + 10*(n - 1) + 9
+// (this is decodable, as d is in [1-9] and e is in [0-9])
+
+uint64_t CTxOutCompressor::CompressAmount(uint64_t n)
+{
+ if (n == 0)
+ return 0;
+ int e = 0;
+ while (((n % 10) == 0) && e < 9) {
+ n /= 10;
+ e++;
+ }
+ if (e < 9) {
+ int d = (n % 10);
+ assert(d >= 1 && d <= 9);
+ n /= 10;
+ return 1 + (n*9 + d - 1)*10 + e;
+ } else {
+ return 1 + (n - 1)*10 + 9;
+ }
+}
+
+uint64_t CTxOutCompressor::DecompressAmount(uint64_t x)
+{
+ // x = 0 OR x = 1+10*(9*n + d - 1) + e OR x = 1+10*(n - 1) + 9
+ if (x == 0)
+ return 0;
+ x--;
+ // x = 10*(9*n + d - 1) + e
+ int e = x % 10;
+ x /= 10;
+ uint64_t n = 0;
+ if (e < 9) {
+ // x = 9*n + d - 1
+ int d = (x % 9) + 1;
+ x /= 9;
+ // x = n
+ n = x*10 + d;
+ } else {
+ n = x+1;
+ }
+ while (e) {
+ n *= 10;
+ e--;
+ }
+ return n;
+}
diff --git a/src/script/compressor.h b/src/compressor.h
index 154e0b2662..a612c3a883 100644
--- a/src/script/compressor.h
+++ b/src/compressor.h
@@ -3,9 +3,10 @@
// Distributed under the MIT software license, see the accompanying
// file COPYING or http://www.opensource.org/licenses/mit-license.php.
-#ifndef H_BITCOIN_SCRIPT_COMPRESSOR
-#define H_BITCOIN_SCRIPT_COMPRESSOR
+#ifndef H_BITCOIN_COMPRESSOR
+#define H_BITCOIN_COMPRESSOR
+#include "core/transaction.h"
#include "script/script.h"
#include "serialize.h"
@@ -86,4 +87,33 @@ public:
}
};
-#endif // H_BITCOIN_SCRIPT_COMPRESSOR
+/** wrapper for CTxOut that provides a more compact serialization */
+class CTxOutCompressor
+{
+private:
+ CTxOut &txout;
+
+public:
+ static uint64_t CompressAmount(uint64_t nAmount);
+ static uint64_t DecompressAmount(uint64_t nAmount);
+
+ CTxOutCompressor(CTxOut &txoutIn) : txout(txoutIn) { }
+
+ ADD_SERIALIZE_METHODS;
+
+ template <typename Stream, typename Operation>
+ inline void SerializationOp(Stream& s, Operation ser_action, int nType, int nVersion) {
+ if (!ser_action.ForRead()) {
+ uint64_t nVal = CompressAmount(txout.nValue);
+ READWRITE(VARINT(nVal));
+ } else {
+ uint64_t nVal = 0;
+ READWRITE(VARINT(nVal));
+ txout.nValue = DecompressAmount(nVal);
+ }
+ CScriptCompressor cscript(REF(txout.scriptPubKey));
+ READWRITE(cscript);
+ }
+};
+
+#endif // H_BITCOIN_COMPRESSOR
diff --git a/src/core.cpp b/src/core.cpp
index 34188bca63..08139d5424 100644
--- a/src/core.cpp
+++ b/src/core.cpp
@@ -9,60 +9,6 @@
#include "tinyformat.h"
#include "utilstrencodings.h"
-// Amount compression:
-// * If the amount is 0, output 0
-// * first, divide the amount (in base units) by the largest power of 10 possible; call the exponent e (e is max 9)
-// * if e<9, the last digit of the resulting number cannot be 0; store it as d, and drop it (divide by 10)
-// * call the result n
-// * output 1 + 10*(9*n + d - 1) + e
-// * if e==9, we only know the resulting number is not zero, so output 1 + 10*(n - 1) + 9
-// (this is decodable, as d is in [1-9] and e is in [0-9])
-
-uint64_t CTxOutCompressor::CompressAmount(uint64_t n)
-{
- if (n == 0)
- return 0;
- int e = 0;
- while (((n % 10) == 0) && e < 9) {
- n /= 10;
- e++;
- }
- if (e < 9) {
- int d = (n % 10);
- assert(d >= 1 && d <= 9);
- n /= 10;
- return 1 + (n*9 + d - 1)*10 + e;
- } else {
- return 1 + (n - 1)*10 + 9;
- }
-}
-
-uint64_t CTxOutCompressor::DecompressAmount(uint64_t x)
-{
- // x = 0 OR x = 1+10*(9*n + d - 1) + e OR x = 1+10*(n - 1) + 9
- if (x == 0)
- return 0;
- x--;
- // x = 10*(9*n + d - 1) + e
- int e = x % 10;
- x /= 10;
- uint64_t n = 0;
- if (e < 9) {
- // x = 9*n + d - 1
- int d = (x % 9) + 1;
- x /= 9;
- // x = n
- n = x*10 + d;
- } else {
- n = x+1;
- }
- while (e) {
- n *= 10;
- e--;
- }
- return n;
-}
-
uint256 CBlockHeader::GetHash() const
{
return Hash(BEGIN(nVersion), END(nNonce));
diff --git a/src/core.h b/src/core.h
index aeae9a1911..b2288e24ca 100644
--- a/src/core.h
+++ b/src/core.h
@@ -7,39 +7,9 @@
#define BITCOIN_CORE_H
#include "core/transaction.h"
-#include "script/compressor.h"
#include "serialize.h"
#include "uint256.h"
-/** wrapper for CTxOut that provides a more compact serialization */
-class CTxOutCompressor
-{
-private:
- CTxOut &txout;
-
-public:
- static uint64_t CompressAmount(uint64_t nAmount);
- static uint64_t DecompressAmount(uint64_t nAmount);
-
- CTxOutCompressor(CTxOut &txoutIn) : txout(txoutIn) { }
-
- ADD_SERIALIZE_METHODS;
-
- template <typename Stream, typename Operation>
- inline void SerializationOp(Stream& s, Operation ser_action, int nType, int nVersion) {
- if (!ser_action.ForRead()) {
- uint64_t nVal = CompressAmount(txout.nValue);
- READWRITE(VARINT(nVal));
- } else {
- uint64_t nVal = 0;
- READWRITE(VARINT(nVal));
- txout.nValue = DecompressAmount(nVal);
- }
- CScriptCompressor cscript(REF(txout.scriptPubKey));
- READWRITE(cscript);
- }
-};
-
/** Nodes collect new transactions into a block, hash them into a hash tree,
* and scan through nonce values to make the block's hash satisfy proof-of-work
* requirements. When they solve the proof-of-work, they broadcast the block
diff --git a/src/test/compress_tests.cpp b/src/test/compress_tests.cpp
index 719955ba85..bf404cf0cf 100644
--- a/src/test/compress_tests.cpp
+++ b/src/test/compress_tests.cpp
@@ -2,7 +2,7 @@
// Distributed under the MIT/X11 software license, see the accompanying
// file COPYING or http://www.opensource.org/licenses/mit-license.php.
-#include "main.h"
+#include "compressor.h"
#include "util.h"
#include <stdint.h>
diff --git a/src/undo.h b/src/undo.h
index 78e37f628c..232c193429 100644
--- a/src/undo.h
+++ b/src/undo.h
@@ -6,7 +6,7 @@
#ifndef H_BITCOIN_TXUNDO
#define H_BITCOIN_TXUNDO
-#include "core.h" // Only for CTxOutCompressor
+#include "compressor.h"
#include "core/transaction.h"
#include "serialize.h"
generated by cgit v1.2.3 (git 2.26.2) at 2024-07-02 22:23:25 +0000