If, like me, you are bored of bartering and getting some junk in exchange for gold ingots, then this datapack is for you.
I have significantly changed the range of items offered by piglins. I took out unnecessary (in my opinion) junk and replaced it with slightly more useful items.
All offered items come from the Nether. Well, except for one ;) These are items of loot from chests, items dropped by Nether monsters or minerals that can be mined in the Nether.
Speedrun enthusiasts will like me because Piglins offer both ender pearls and blaze rods.
The only thing outside of the Nether is a randomly enchanted Swift Sneak book.
If you expect to get Enchanted golden apple or something crazy like that, you will be disappointed. Unfortunately, Piglins are very reluctant to part with gold-related items: golden apples and carrots, gilded blackstone, etc and keep them to themselves, discarding the gold ingots we gave them.
As for the economy. These are the items on offer and the chance of getting them:

13.5%
obsidian
crying obsidian 1-3
spectral arrow 6-12
blackstone 2-4
glowstone 2-4

6.76%
quartz 5-12

3.38%
ender pearl 2-4

2.70%
spalsh Fire prot. potion
fire prot. potion
netherite upgrade

1.69%
ancient debris
netherite scrap
soul speed book
swift sneak book
snout armor trim
rib armor trim
soul speed iron boots

0.68%
ghast tear 1-4
blaze rod 1-3
pigstep disc

0.34%
netherite ingot

A bit of math and statistics.
After making 1024 trades with Piglins, the results are as follows:

obsidian 128
crying obsidian 275
spectral arrow 1124
blackstone 429
glowstone 440
quartz 694
ender pearl 122
spalsh Fire prot. potion 27
fire prot. potion 28
netherite upgrade 30
ancient debris 13
netherite scrap 20
soul speed book 10
swift sneak book 8
snout armor trim 20
rib armor trim 17
soul speed iron boots 22
ghast tear 26
blaze rod 8
pigstep disc 7
netherite ingot 2

As you can see, the results are quite in line with the percentage predictions.
You can get all this for 1024 (16 stacks) gold ingots

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I encourage you to check out other datapacks that I have published:

Archaeology with hadron
Let"s loot some chests with hadron
Skeleton skull from the nether
Magma cream from slimes
Geode massacre
Real Hero of the Village
Alternative bartering
Amethyst beacon
Copper beacon
Vein mining
Miner's dream datapack
Dig perimeter with one hit
Upgrade your wither skeleton farm farm
A little easier spire armor trim template and piglin's head
Enderman killed in the nether gives eye of ender
Diamond Geode
Cutting Vanilla, Terrestria-and-Traverse-wood