Remove go-ethereum dependency

Signed-off-by: Matthias Geihs <[email protected]>

channel/allocation.go

@@ -23,7 +23,6 @@ import (
 	"perun.network/go-perun/wire/perunio"
 	perunbig "polycry.pt/poly-go/math/big"
 
-	"github.com/ethereum/go-ethereum/accounts/abi"
 	"github.com/pkg/errors"
 )
 
@@ -48,10 +47,6 @@ const MaxNumParts = 1024
 // num-suballocations items of information in an Allocation.
 const MaxNumSubAllocations = 1024
 
-// MaxBalance is the maximum amount of funds per asset that a user can possess.
-// It is set to 2 ^ 256 - 1.
-var MaxBalance = abi.MaxUint256
-
 // Allocation and associated types.
 type (
 	// Allocation is the distribution of assets, were the channel to be finalized.

go.mod

@@ -3,8 +3,6 @@ module perun.network/go-perun
 go 1.17
 
 require (
-	github.com/ethereum/go-ethereum v1.10.12
-	github.com/miguelmota/go-ethereum-hdwallet v0.1.1
 	github.com/pkg/errors v0.9.1
 	github.com/sirupsen/logrus v1.8.1
 	github.com/stretchr/testify v1.7.0
@@ -16,34 +14,17 @@ require (
 )
 
 require (
-	github.com/StackExchange/wmi v0.0.0-20180116203802-5d049714c4a6 // indirect
-	github.com/VictoriaMetrics/fastcache v1.6.0 // indirect
-	github.com/btcsuite/btcd v0.21.0-beta // indirect
-	github.com/btcsuite/btcutil v1.0.3-0.20201208143702-a53e38424cce // indirect
-	github.com/cespare/xxhash/v2 v2.1.1 // indirect
 	github.com/davecgh/go-spew v1.1.1 // indirect
-	github.com/deckarep/golang-set v0.0.0-20180603214616-504e848d77ea // indirect
-	github.com/edsrzf/mmap-go v1.0.0 // indirect
-	github.com/go-ole/go-ole v1.2.1 // indirect
-	github.com/go-stack/stack v1.8.0 // indirect
 	github.com/golang/snappy v0.0.4 // indirect
-	github.com/google/uuid v1.1.5 // indirect
-	github.com/gorilla/websocket v1.4.2 // indirect
-	github.com/hashicorp/golang-lru v0.5.5-0.20210104140557-80c98217689d // indirect
-	github.com/holiman/bloomfilter/v2 v2.0.3 // indirect
-	github.com/holiman/uint256 v1.2.0 // indirect
-	github.com/mattn/go-runewidth v0.0.9 // indirect
-	github.com/olekukonko/tablewriter v0.0.5 // indirect
+	github.com/google/go-cmp v0.5.4 // indirect
+	github.com/kr/text v0.2.0 // indirect
 	github.com/pmezard/go-difflib v1.0.0 // indirect
-	github.com/prometheus/tsdb v0.7.1 // indirect
-	github.com/rjeczalik/notify v0.9.1 // indirect
-	github.com/shirou/gopsutil v3.21.4-0.20210419000835-c7a38de76ee5+incompatible // indirect
 	github.com/stretchr/objx v0.1.1 // indirect
 	github.com/syndtr/goleveldb v1.0.1-0.20210819022825-2ae1ddf74ef7 // indirect
-	github.com/tklauser/go-sysconf v0.3.5 // indirect
-	github.com/tklauser/numcpus v0.2.2 // indirect
-	github.com/tyler-smith/go-bip39 v1.0.1-0.20181017060643-dbb3b84ba2ef // indirect
+	golang.org/x/lint v0.0.0-20191125180803-fdd1cda4f05f // indirect
+	golang.org/x/net v0.0.0-20210805182204-aaa1db679c0d // indirect
 	golang.org/x/sys v0.0.0-20210816183151-1e6c022a8912 // indirect
-	gopkg.in/natefinch/npipe.v2 v2.0.0-20160621034901-c1b8fa8bdcce // indirect
+	gopkg.in/check.v1 v1.0.0-20201130134442-10cb98267c6c // indirect
+	gopkg.in/yaml.v2 v2.4.0 // indirect
 	gopkg.in/yaml.v3 v3.0.0-20200313102051-9f266ea9e77c // indirect
 )