The road to SegWit

August 3, 2017
Posted by: ArtByte Admin
Category: AppleBytes

SEE NOVEMBER 24, 2017 9:39pm UPDATE (below)

After a long battle to gain consensus, SegWit is now locked_in on the ArtByte Blockchain!

SEE SEPTEMBER 26, 2017 UPDATE (below)

ArtByte v0.13 source code with SegWit enabled is released, please update your miners.

https://github.com/AppleByteMe/AppleByte

SEE SEPTEMBER 19, 2017 UPDATE (below)

We have mined the first block with SegWit enabled. You can see it on the ArtByte explorer. Look at the block version number, it ends in 915 which is signaling SegWit and CSV. http://explorer.artbyte.me/block/176ba6f3a48804db15f77d913f4adb61fad23bc40f2588058feeaa817e77f174

SEE AUGUST 15, 2017 UPDATE (below)

SegWit and CSV are now fully enabled on the ArtByte testnet! Up next is final testing on the new client and mining pool.
Then enabling SegWit on the live network.

As ArtByte announced on June 10th, we are implementing SegWit on the ArtByte blockchain.

Our developers have been hard at work, and now ArtByte 0.13, including SegWit is successfully running on the test net.

Upgrading ArtByte to 0.13 gives ArtByte many advantages, including:

Faster synchronization
Dynamic transaction fees
Priority transactions
Hierarchical Deterministic Key Generation
BIP65 Enforce OP_CHECKLOCKTIMEVERIFY opcode
BIP68 Enforce sequence locks for relative locktime
BIP112 Enforce OP_CHECKSEQUENCEVERIFY
BIP113 Locktime enforcement soft fork
BIP130 Direct headers announcement
BIP152 Compact Block support

SegWit will add the following advantages to ArtByte:

Elimination of unwanted transaction malleability
Capacity increase
Weighting data based on how it affects node performance
Signature covers value
Linear scaling of sighash operations
Increased security for multisig
More efficient almost-full-node security
Script versioning
And more..

Detailed changelog of work accomplished below:

Features:

Autotools for building
artbyte-cli utility - Separate RPC from client
OP_RETURN provably unspendable outputs
Faster synchronization
Dynamic transaction fees
REST interface
Improved signing security
Watch-only support
Consensus library
Relaxed P2SH address rules
artbyte-tx utility
artbyte v4 blocks
Strict DER encoding for signatures
Block file pruning
Big endian support
Memory usage optimization
Stream isolation for Tor
BIP65 Enforce OP_CHECKLOCKTIMEVERIFY opcode
Signature validation using libsecp256k1
Reduce upload traffic
BIP130 Direct headers announcement
Memory pool limiting
Opt-in Replace-by-fee transactions
Random-cookie RPC authentication
Pushdatas in OP_RETURN outputs allowed
Priority transactions
Automatically use Tor hidden services
Transaction fees improvements
Merkle branches removed from wallet
BIP68 enforce sequence locks for relative locktime
BIP112 enforce OP_CHECKSEQUENCEVERIFY
BIP113 locktime enforcement soft fork
Segwit
- Elimination of unwanted transaction malleability
- Capacity increase
- Weighting data based on how it affects node performance
- Signature covers value
- Linear scaling of sighash operations
- Increased security for multisig
- More efficient almost-full-node security
- Script versioning
- Database cache memory increased
- BIP152 Compact Block support
- Hierarchical Deterministic Key Generation
- New bytespersigop implementation
- Out-of-sync Modal Info Layer
References:

https://bitcoin.org/en/release/v0.9.0

https://bitcoin.org/en/release/v0.9.2

https://bitcoin.org/en/release/v0.9.3

https://bitcoin.org/en/release/v0.10.0

https://bitcoin.org/en/release/v0.10.1

https://bitcoin.org/en/release/v0.10.3

https://bitcoin.org/en/release/v0.11.0

https://bitcoin.org/en/release/v0.11.2

https://bitcoin.org/en/release/v0.12.0

https://bitcoin.org/en/release/v0.12.1

https://bitcoin.org/en/release/v0.13.0

https://bitcoin.org/en/release/v0.13.1

https://bitcoin.org/en/release/v0.13.2

UPDATE - AUGUST 15 2017

SegWit and CSV are now fully enabled on the ArtByte testnet! Up next is final testing on the new client and mining pool.
Then enabling SegWit on the live network.

UPDATE - SEPTEMBER 19, 2017

We have mined the first block with SegWit enabled. You can see it on the ArtByte explorer. Look at the block version number, it ends in 915 which is signaling SegWit and CSV.

Neither is active but the pool miner is voting for it to be enabled on the network, when we get to 8,064/10,080 blocks signalling support for both Version Bit forks it will be locked in, another two weeks and it will be active.