set envHandle [dict get $lmdbInfo envHandle]
	set dbHandle [lmdb open -env $envHandle -name $table]
	set sessionHandle [$envHandle txn -readonly $readOnly]
	set cursor [$dbHandle cursor -txn $sessionHandle]

	uplevel 1 [list set $cursorVar $cursor]
	set retcode [catch [list uplevel 1 $code] retval options]
	set retcode [catch {uplevel 1 $code} retval options]

	$cursor close
	if {$retcode == 0} {
		$sessionHandle commit
	} else {
		if {$readOnly} {
			$sessionHandle reset

	if {$retcode == 0} {
		return $retval
	}

	return {*}$options $retval
}

proc ::nano::ledger::lmdb::_foreach {lmdbInfo table cursorVar keyVar valueVar args} {
	set code [lindex $args end]
	set args [lrange $args 0 end-1]

	if {[llength $args] == 0} {
		set initialize [list getBinary "-first"]
	} else {
		if {[lindex $args 0] eq "-set"} {
			set checkKeyEqual [lindex $args 1]
		}

		set initialize [list getBinary {*}$args]
	}
	set iterate [list getBinary "-next"]

	_transaction $lmdbInfo $table cursor {
		if {$cursorVar ne ""} {
			uplevel 1 [list set $cursorVar $cursor]
		}

		for {
			if {[catch {
				set work [$cursor {*}$initialize]
			} err]} {
				if {[string match "ERROR: MDB_NOTFOUND: *" $err]} {
					return
				}

				return -code error $err
			}
		} true {
			if {[catch {
				set work [$cursor {*}$iterate]
			} err]} {
				if {[string match "ERROR: MDB_NOTFOUND: *" $err]} {
					break
				}

				return -code error $err
			}
		} {
			unset -nocomplain key

			if {[info exists checkKeyEqual]} {
				set key [lindex $work 0]
				if {$key ne $checkKeyEqual} {
					break
				}
			}

			if {$keyVar ne ""} {
				if {![info exists key]} {
					set key [lindex $work 0]
				}
				uplevel 1 [list set $keyVar $key]
			}

			if {$valueVar ne ""} {
				set value [lindex $work 1]
				uplevel 1 [list set $valueVar $value]
			}

			catch {uplevel 1 $code} retval options

			switch -- [dict get $options "-code"] {
				4 - 0 {
					# TCL_CONTINUE or TCL_OK
					continue
				}
				1 {
					# TCL_ERROR, pass it on
					dict set options "-level" 1
					return {*}$options $retval
				}
				2 {
					# TCL_RETURN
					return -level 2 $retval
				}
				3 {
					# TCL_BREAK
					break
				}
			}
		}
	}

	return
}

interp alias {} ::nano::ledger::lmdb::_magicSpeedup {} time

proc ::nano::ledger::lmdb::getPending {lmdbInfo account args} {
	set accountPubKey [::nano::address::toPublicKey $account -binary]
	set searchKey $accountPubKey
proc ::nano::ledger::lmdb::getPending {lmdbInfo args} {
	if {[llength $args] > 0} {
		set account [lindex $args 0]
		set accountPubKey [::nano::address::toPublicKey $account -binary]
		append searchKey $accountPubKey

		set args [lrange $args 1 end]
	}

	if {[llength $args] > 0} {
		set blockHash [lindex $args 0]
		if {[string length $blockHash] != $::nano::block::hashLength} {
			set blockHash [binary decode hex $blockHash]

			append searchKey $blockHash
		}

		set args [lrange $args 1 end]
	}

	set retval [list]

	_transaction $lmdbInfo "pending" cursor {
		set work [$cursor getBinary -set_range $searchKey]
		while true {
			set key [lindex $work 0]
	if {[info exists searchKey]} {
		set searchKey [list "-set_range" $searchKey]
	} else {
		set searchKey [list]
			set value [lindex $work 1]

			set keyAccountPubKey [string range $key 0 31]
			if {$keyAccountPubKey ne $accountPubKey} {
				break
			}
	}

	_foreach $lmdbInfo "pending" cursor key value {*}$searchKey {
		set keyAccountPubKey [string range $key 0 31]
		if {[info exists accountPubKey] && $keyAccountPubKey ne $accountPubKey} {
			break
		}

			set keyBlockHash [string range $key 32 63]
			if {[info exists blockHash] && $keyBlockHash ne $blockHash} {
				break
			}
		set keyBlockHash [string range $key 32 63]
		if {[info exists blockHash] && $keyBlockHash ne $blockHash} {
			break
		}

			set from [string range $value 0 31]
			set amount [string range $value 32 47]
		set from [string range $value 0 31]
		set amount [string range $value 32 47]

			set work [$cursor getBinary -next]

			set itemDict [dict create \
				amount [format "%lli" 0x[binary encode hex $amount]] \
				from   [::nano::address::fromPublicKey $from] \
			]
		set itemDict [dict create \
			amount [format "%lli" 0x[binary encode hex $amount]] \
			from   [::nano::address::fromPublicKey $from] \
		]

			if {[info exists blockHash]} {
				set retval $itemDict
		if {[info exists blockHash]} {
			set retval $itemDict

				break
			}
			break
		}

			set keyBlockHashHex [string toupper [binary encode hex $keyBlockHash]]
		set keyBlockHashHex [string toupper [binary encode hex $keyBlockHash]]

		if {[info exists accountPubKey]} {
			_magicSpeedup {
			dict set retval $keyBlockHashHex $itemDict
				dict set retval $keyBlockHashHex [set itemDict]
			}
		} else {
			set keyAccountPubKeyHex [string toupper [binary encode hex $keyAccountPubKey]]

			_magicSpeedup {
				dict set retval $keyAccountPubKeyHex $keyBlockHashHex $itemDict
			}
		}
	}

	if {[info exists blockHash] && [llength $args] > 0} {
		set retval [dict get $retval {*}$args]
	}

		set blockHash [lindex $args 0]
		if {[string length $blockHash] != $::nano::block::hashLength} {
			set blockHash [binary decode hex $blockHash]
		}
		set searchKey "${accountPubKey}${blockHash}"

		set numberOfRowsDeleted 0
		_transaction $lmdbInfo "pending/write" cursor {
			while true {
				if {[catch {
					$cursor getBinary -set $searchKey
				} err]} {
					if {[string match "ERROR: MDB_NOTFOUND: *" $err]} {
						break
					}


		_foreach $lmdbInfo "pending/write" cursor "" "" -set $searchKey {
					return -code error $err
				}

				$cursor del
			$cursor del

				incr numberOfRowsDeleted
			incr numberOfRowsDeleted
			}
		}

		return $numberOfRowsDeleted
	}

	set numberOfRowsDeleted 0
	set blockHashDict [getPending $lmdbInfo $account]

	}

	set lmdbKey "${accountPubKey}${blockHash}"
	set fromHex [::nano::address::toPublicKey [dict get $args from] -hex]
	set amountHex [format %032llx [dict get $args amount]]
	set lmdbData [binary format H64H32 $fromHex $amountHex]

	set keyExists false
	_foreach $lmdbInfo "pending" "" "" "" -set $lmdbKey {
		set keyExists true
	}

	if {!$keyExists} {
	_transaction $lmdbInfo "pending/write" cursor {
		$cursor putBinary $lmdbKey $lmdbData
	}
	
		_transaction $lmdbInfo "pending/write" cursor {
			$cursor putBinary $lmdbKey $lmdbData
		}
	}

	return
}

# Node Configuration
proc ::nano::node::_configDictToJSON {configDict {prefix ""}} {
	set values [list]
	foreach key [dict keys $configDict] {
		set value [dict get $configDict $key]